Home / 82,945,761.40-124,455,966.90-29,131,694.20

Finding the Fourth Proportional to 82,945,761.40, 124,455,966.90 and 29,131,694.20

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Solution

The fourth proportional to 82,945,761.40, 124,455,966.90 and 29,131,694.20 is: 43,710,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,761.40 : 124,455,966.90 = 29,131,694.20 : x
  2. Step 2: Convert to fraction form
    82,945,761.40/124,455,966.90 = 29,131,694.20/x
  3. Step 3: Cross multiply
    82,945,761.40x = 124,455,966.90 × 29,131,694.20
  4. Step 4: Simplify right side
    82,945,761.40x = 3,625,613,169,096,122
  5. Step 5: Solve for x
    x = 3,625,613,169,096,122/82,945,761.40
  6. Step 6: Final answer
    x = 43,710,650.28

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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.