Home / 125,231,426.76-172,799,879.55-71,585,322.08

Finding the Fourth Proportional to 125,231,426.76, 172,799,879.55 and 71,585,322.08

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Solution

The fourth proportional to 125,231,426.76, 172,799,879.55 and 71,585,322.08 is: 98,776,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,231,426.76 : 172,799,879.55 = 71,585,322.08 : x
  2. Step 2: Convert to fraction form
    125,231,426.76/172,799,879.55 = 71,585,322.08/x
  3. Step 3: Cross multiply
    125,231,426.76x = 172,799,879.55 × 71,585,322.08
  4. Step 4: Simplify right side
    125,231,426.76x = 12,369,935,031,839,510
  5. Step 5: Solve for x
    x = 12,369,935,031,839,510/125,231,426.76
  6. Step 6: Final answer
    x = 98,776,603.86

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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.