Home / 82,856,123.90-124,293,517.05-25,347,938.30

Finding the Fourth Proportional to 82,856,123.90, 124,293,517.05 and 25,347,938.30

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Solution

The fourth proportional to 82,856,123.90, 124,293,517.05 and 25,347,938.30 is: 38,024,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,856,123.90 : 124,293,517.05 = 25,347,938.30 : x
  2. Step 2: Convert to fraction form
    82,856,123.90/124,293,517.05 = 25,347,938.30/x
  3. Step 3: Cross multiply
    82,856,123.90x = 124,293,517.05 × 25,347,938.30
  4. Step 4: Simplify right side
    82,856,123.90x = 3,150,584,401,273,398
  5. Step 5: Solve for x
    x = 3,150,584,401,273,398/82,856,123.90
  6. Step 6: Final answer
    x = 38,024,762.12

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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.