Home / 90,752,876.10-135,966,929.40-55,195,536.60

Finding the Fourth Proportional to 90,752,876.10, 135,966,929.40 and 55,195,536.60

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Solution

The fourth proportional to 90,752,876.10, 135,966,929.40 and 55,195,536.60 is: 82,694,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752,876.10 : 135,966,929.40 = 55,195,536.60 : x
  2. Step 2: Convert to fraction form
    90,752,876.10/135,966,929.40 = 55,195,536.60/x
  3. Step 3: Cross multiply
    90,752,876.10x = 135,966,929.40 × 55,195,536.60
  4. Step 4: Simplify right side
    90,752,876.10x = 7,504,767,628,087,317
  5. Step 5: Solve for x
    x = 7,504,767,628,087,317/90,752,876.10
  6. Step 6: Final answer
    x = 82,694,543.14

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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.