Home / 144,373,786.16-199,244,251.52-81,655,444.38

Finding the Fourth Proportional to 144,373,786.16, 199,244,251.52 and 81,655,444.38

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Solution

The fourth proportional to 144,373,786.16, 199,244,251.52 and 81,655,444.38 is: 112,689,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,373,786.16 : 199,244,251.52 = 81,655,444.38 : x
  2. Step 2: Convert to fraction form
    144,373,786.16/199,244,251.52 = 81,655,444.38/x
  3. Step 3: Cross multiply
    144,373,786.16x = 199,244,251.52 × 81,655,444.38
  4. Step 4: Simplify right side
    144,373,786.16x = 16,269,377,897,617,812
  5. Step 5: Solve for x
    x = 16,269,377,897,617,812/144,373,786.16
  6. Step 6: Final answer
    x = 112,689,279.20

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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.