Home / 125,231,428.27-172,799,881.61-71,585,323.58

Finding the Fourth Proportional to 125,231,428.27, 172,799,881.61 and 71,585,323.58

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Solution

The fourth proportional to 125,231,428.27, 172,799,881.61 and 71,585,323.58 is: 98,776,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,231,428.27 : 172,799,881.61 = 71,585,323.58 : x
  2. Step 2: Convert to fraction form
    125,231,428.27/172,799,881.61 = 71,585,323.58/x
  3. Step 3: Cross multiply
    125,231,428.27x = 172,799,881.61 × 71,585,323.58
  4. Step 4: Simplify right side
    125,231,428.27x = 12,369,935,438,952,506
  5. Step 5: Solve for x
    x = 12,369,935,438,952,506/125,231,428.27
  6. Step 6: Final answer
    x = 98,776,605.92

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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.