Home / 125,231,428.17-172,799,881.48-71,585,323.48

Finding the Fourth Proportional to 125,231,428.17, 172,799,881.48 and 71,585,323.48

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Solution

The fourth proportional to 125,231,428.17, 172,799,881.48 and 71,585,323.48 is: 98,776,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,231,428.17 : 172,799,881.48 = 71,585,323.48 : x
  2. Step 2: Convert to fraction form
    125,231,428.17/172,799,881.48 = 71,585,323.48/x
  3. Step 3: Cross multiply
    125,231,428.17x = 172,799,881.48 × 71,585,323.48
  4. Step 4: Simplify right side
    125,231,428.17x = 12,369,935,413,356,942
  5. Step 5: Solve for x
    x = 12,369,935,413,356,942/125,231,428.17
  6. Step 6: Final answer
    x = 98,776,605.79

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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.