Home / 156,872,489.20-235,337,463.79-64,705,949.28

Finding the Fourth Proportional to 156,872,489.20, 235,337,463.79 and 64,705,949.28

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Solution

The fourth proportional to 156,872,489.20, 235,337,463.79 and 64,705,949.28 is: 97,070,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,872,489.20 : 235,337,463.79 = 64,705,949.28 : x
  2. Step 2: Convert to fraction form
    156,872,489.20/235,337,463.79 = 64,705,949.28/x
  3. Step 3: Cross multiply
    156,872,489.20x = 235,337,463.79 × 64,705,949.28
  4. Step 4: Simplify right side
    156,872,489.20x = 15,227,733,995,517,812
  5. Step 5: Solve for x
    x = 15,227,733,995,517,812/156,872,489.20
  6. Step 6: Final answer
    x = 97,070,774.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.