Home / 207,141,129.10-310,752,625.12-75,984,622.38

Finding the Fourth Proportional to 207,141,129.10, 310,752,625.12 and 75,984,622.38

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Solution

The fourth proportional to 207,141,129.10, 310,752,625.12 and 75,984,622.38 is: 113,991,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,141,129.10 : 310,752,625.12 = 75,984,622.38 : x
  2. Step 2: Convert to fraction form
    207,141,129.10/310,752,625.12 = 75,984,622.38/x
  3. Step 3: Cross multiply
    207,141,129.10x = 310,752,625.12 × 75,984,622.38
  4. Step 4: Simplify right side
    207,141,129.10x = 23,612,420,873,336,900
  5. Step 5: Solve for x
    x = 23,612,420,873,336,900/207,141,129.10
  6. Step 6: Final answer
    x = 113,991,948.27

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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.