Home / 131,840,671.08-181,923,403.32-72,286,294.92

Finding the Fourth Proportional to 131,840,671.08, 181,923,403.32 and 72,286,294.92

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Solution

The fourth proportional to 131,840,671.08, 181,923,403.32 and 72,286,294.92 is: 99,745,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,840,671.08 : 181,923,403.32 = 72,286,294.92 : x
  2. Step 2: Convert to fraction form
    131,840,671.08/181,923,403.32 = 72,286,294.92/x
  3. Step 3: Cross multiply
    131,840,671.08x = 181,923,403.32 × 72,286,294.92
  4. Step 4: Simplify right side
    131,840,671.08x = 13,150,568,785,239,626
  5. Step 5: Solve for x
    x = 13,150,568,785,239,626/131,840,671.08
  6. Step 6: Final answer
    x = 99,745,918.14

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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.