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Finding the Fourth Proportional to 224,581,502.70, 336,872,254.05 and 155,045,400.30

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Solution

The fourth proportional to 224,581,502.70, 336,872,254.05 and 155,045,400.30 is: 232,568,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,581,502.70 : 336,872,254.05 = 155,045,400.30 : x
  2. Step 2: Convert to fraction form
    224,581,502.70/336,872,254.05 = 155,045,400.30/x
  3. Step 3: Cross multiply
    224,581,502.70x = 336,872,254.05 × 155,045,400.30
  4. Step 4: Simplify right side
    224,581,502.70x = 52,230,493,479,145,552
  5. Step 5: Solve for x
    x = 52,230,493,479,145,552/224,581,502.70
  6. Step 6: Final answer
    x = 232,568,100.45

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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.