Home / 125,399,596.76-173,041,318.19-72,479,732.56

Finding the Fourth Proportional to 125,399,596.76, 173,041,318.19 and 72,479,732.56

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Solution

The fourth proportional to 125,399,596.76, 173,041,318.19 and 72,479,732.56 is: 100,016,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,399,596.76 : 173,041,318.19 = 72,479,732.56 : x
  2. Step 2: Convert to fraction form
    125,399,596.76/173,041,318.19 = 72,479,732.56/x
  3. Step 3: Cross multiply
    125,399,596.76x = 173,041,318.19 × 72,479,732.56
  4. Step 4: Simplify right side
    125,399,596.76x = 12,541,988,463,989,660
  5. Step 5: Solve for x
    x = 12,541,988,463,989,660/125,399,596.76
  6. Step 6: Final answer
    x = 100,016,178.58

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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.