Home / 141,781,418.10-212,672,127.15-55,491,146.10

Finding the Fourth Proportional to 141,781,418.10, 212,672,127.15 and 55,491,146.10

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Solution

The fourth proportional to 141,781,418.10, 212,672,127.15 and 55,491,146.10 is: 83,236,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,781,418.10 : 212,672,127.15 = 55,491,146.10 : x
  2. Step 2: Convert to fraction form
    141,781,418.10/212,672,127.15 = 55,491,146.10/x
  3. Step 3: Cross multiply
    141,781,418.10x = 212,672,127.15 × 55,491,146.10
  4. Step 4: Simplify right side
    141,781,418.10x = 11,801,420,079,078,428
  5. Step 5: Solve for x
    x = 11,801,420,079,078,428/141,781,418.10
  6. Step 6: Final answer
    x = 83,236,719.15

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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.