Home / 134,680,134.92-185,858,505.05-72,800,475.30

Finding the Fourth Proportional to 134,680,134.92, 185,858,505.05 and 72,800,475.30

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Solution

The fourth proportional to 134,680,134.92, 185,858,505.05 and 72,800,475.30 is: 100,464,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680,134.92 : 185,858,505.05 = 72,800,475.30 : x
  2. Step 2: Convert to fraction form
    134,680,134.92/185,858,505.05 = 72,800,475.30/x
  3. Step 3: Cross multiply
    134,680,134.92x = 185,858,505.05 × 72,800,475.30
  4. Step 4: Simplify right side
    134,680,134.92x = 13,530,587,505,823,446
  5. Step 5: Solve for x
    x = 13,530,587,505,823,446/134,680,134.92
  6. Step 6: Final answer
    x = 100,464,612.06

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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.