Home / 90,876,418,393.40-136,314,627,590.10-83,437,945,004.60

Finding the Fourth Proportional to 90,876,418,393.40, 136,314,627,590.10 and 83,437,945,004.60

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Solution

The fourth proportional to 90,876,418,393.40, 136,314,627,590.10 and 83,437,945,004.60 is: 125,156,917,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,418,393.40 : 136,314,627,590.10 = 83,437,945,004.60 : x
  2. Step 2: Convert to fraction form
    90,876,418,393.40/136,314,627,590.10 = 83,437,945,004.60/x
  3. Step 3: Cross multiply
    90,876,418,393.40x = 136,314,627,590.10 × 83,437,945,004.60
  4. Step 4: Simplify right side
    90,876,418,393.40x = 11,373,812,400,185,294,192,640
  5. Step 5: Solve for x
    x = 11,373,812,400,185,294,192,640/90,876,418,393.40
  6. Step 6: Final answer
    x = 125,156,917,506.90

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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.