Home / 142,676,472.30-214,021,706.85-74,652,024.30

Finding the Fourth Proportional to 142,676,472.30, 214,021,706.85 and 74,652,024.30

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Solution

The fourth proportional to 142,676,472.30, 214,021,706.85 and 74,652,024.30 is: 111,981,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,676,472.30 : 214,021,706.85 = 74,652,024.30 : x
  2. Step 2: Convert to fraction form
    142,676,472.30/214,021,706.85 = 74,652,024.30/x
  3. Step 3: Cross multiply
    142,676,472.30x = 214,021,706.85 × 74,652,024.30
  4. Step 4: Simplify right side
    142,676,472.30x = 15,977,153,660,493,676
  5. Step 5: Solve for x
    x = 15,977,153,660,493,676/142,676,472.30
  6. Step 6: Final answer
    x = 111,981,698.19

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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.