Home / 90,876,411,020.40-136,314,616,530.60-43,688,595,460.20

Finding the Fourth Proportional to 90,876,411,020.40, 136,314,616,530.60 and 43,688,595,460.20

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Solution

The fourth proportional to 90,876,411,020.40, 136,314,616,530.60 and 43,688,595,460.20 is: 65,532,893,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,411,020.40 : 136,314,616,530.60 = 43,688,595,460.20 : x
  2. Step 2: Convert to fraction form
    90,876,411,020.40/136,314,616,530.60 = 43,688,595,460.20/x
  3. Step 3: Cross multiply
    90,876,411,020.40x = 136,314,616,530.60 × 43,688,595,460.20
  4. Step 4: Simplify right side
    90,876,411,020.40x = 5,955,394,136,917,675,081,728
  5. Step 5: Solve for x
    x = 5,955,394,136,917,675,081,728/90,876,411,020.40
  6. Step 6: Final answer
    x = 65,532,893,190.30

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Double scale
Find fourth proportional to 90,876,411,021.40, 136,314,616,532.10 and 43,688,595,461.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.