Home / 131,840,672.08-181,923,404.70-72,286,295.92

Finding the Fourth Proportional to 131,840,672.08, 181,923,404.70 and 72,286,295.92

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Solution

The fourth proportional to 131,840,672.08, 181,923,404.70 and 72,286,295.92 is: 99,745,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,840,672.08 : 181,923,404.70 = 72,286,295.92 : x
  2. Step 2: Convert to fraction form
    131,840,672.08/181,923,404.70 = 72,286,295.92/x
  3. Step 3: Cross multiply
    131,840,672.08x = 181,923,404.70 × 72,286,295.92
  4. Step 4: Simplify right side
    131,840,672.08x = 13,150,569,066,918,118
  5. Step 5: Solve for x
    x = 13,150,569,066,918,118/131,840,672.08
  6. Step 6: Final answer
    x = 99,745,919.52

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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.