Home / 83,014,712.70-124,186,145.85-72,937,016.70

Finding the Fourth Proportional to 83,014,712.70, 124,186,145.85 and 72,937,016.70

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Solution

The fourth proportional to 83,014,712.70, 124,186,145.85 and 72,937,016.70 is: 109,110,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,014,712.70 : 124,186,145.85 = 72,937,016.70 : x
  2. Step 2: Convert to fraction form
    83,014,712.70/124,186,145.85 = 72,937,016.70/x
  3. Step 3: Cross multiply
    83,014,712.70x = 124,186,145.85 × 72,937,016.70
  4. Step 4: Simplify right side
    83,014,712.70x = 9,057,766,993,770,086
  5. Step 5: Solve for x
    x = 9,057,766,993,770,086/83,014,712.70
  6. Step 6: Final answer
    x = 109,110,381.75

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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.