Home / 131,462,767.50-181,423,960.91-72,724,419.92

Finding the Fourth Proportional to 131,462,767.50, 181,423,960.91 and 72,724,419.92

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Solution

The fourth proportional to 131,462,767.50, 181,423,960.91 and 72,724,419.92 is: 100,362,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462,767.50 : 181,423,960.91 = 72,724,419.92 : x
  2. Step 2: Convert to fraction form
    131,462,767.50/181,423,960.91 = 72,724,419.92/x
  3. Step 3: Cross multiply
    131,462,767.50x = 181,423,960.91 × 72,724,419.92
  4. Step 4: Simplify right side
    131,462,767.50x = 13,193,952,315,497,764
  5. Step 5: Solve for x
    x = 13,193,952,315,497,764/131,462,767.50
  6. Step 6: Final answer
    x = 100,362,654.51

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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.