Home / 129,659,332.36-178,930,414.06-70,120,627.18

Finding the Fourth Proportional to 129,659,332.36, 178,930,414.06 and 70,120,627.18

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Solution

The fourth proportional to 129,659,332.36, 178,930,414.06 and 70,120,627.18 is: 96,766,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,659,332.36 : 178,930,414.06 = 70,120,627.18 : x
  2. Step 2: Convert to fraction form
    129,659,332.36/178,930,414.06 = 70,120,627.18/x
  3. Step 3: Cross multiply
    129,659,332.36x = 178,930,414.06 × 70,120,627.18
  4. Step 4: Simplify right side
    129,659,332.36x = 12,546,712,855,464,292
  5. Step 5: Solve for x
    x = 12,546,712,855,464,292/129,659,332.36
  6. Step 6: Final answer
    x = 96,766,755.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.