Home / 156,006,086.70-234,037,123.65-65,138,861.10

Finding the Fourth Proportional to 156,006,086.70, 234,037,123.65 and 65,138,861.10

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Solution

The fourth proportional to 156,006,086.70, 234,037,123.65 and 65,138,861.10 is: 97,719,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,006,086.70 : 234,037,123.65 = 65,138,861.10 : x
  2. Step 2: Convert to fraction form
    156,006,086.70/234,037,123.65 = 65,138,861.10/x
  3. Step 3: Cross multiply
    156,006,086.70x = 234,037,123.65 × 65,138,861.10
  4. Step 4: Simplify right side
    156,006,086.70x = 15,244,911,689,680,876
  5. Step 5: Solve for x
    x = 15,244,911,689,680,876/156,006,086.70
  6. Step 6: Final answer
    x = 97,719,980.11

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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.