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Finding the Fourth Proportional to 224,654,516.70, 336,981,775.05 and 146,720,334.30

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Solution

The fourth proportional to 224,654,516.70, 336,981,775.05 and 146,720,334.30 is: 220,080,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,654,516.70 : 336,981,775.05 = 146,720,334.30 : x
  2. Step 2: Convert to fraction form
    224,654,516.70/336,981,775.05 = 146,720,334.30/x
  3. Step 3: Cross multiply
    224,654,516.70x = 336,981,775.05 × 146,720,334.30
  4. Step 4: Simplify right side
    224,654,516.70x = 49,442,078,688,343,408
  5. Step 5: Solve for x
    x = 49,442,078,688,343,408/224,654,516.70
  6. Step 6: Final answer
    x = 220,080,501.45

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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.