Home / 103,253,541.12-154,834,862.31-54,720,023.90

Finding the Fourth Proportional to 103,253,541.12, 154,834,862.31 and 54,720,023.90

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Solution

The fourth proportional to 103,253,541.12, 154,834,862.31 and 54,720,023.90 is: 82,055,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,253,541.12 : 154,834,862.31 = 54,720,023.90 : x
  2. Step 2: Convert to fraction form
    103,253,541.12/154,834,862.31 = 54,720,023.90/x
  3. Step 3: Cross multiply
    103,253,541.12x = 154,834,862.31 × 54,720,023.90
  4. Step 4: Simplify right side
    103,253,541.12x = 8,472,567,365,382,236
  5. Step 5: Solve for x
    x = 8,472,567,365,382,236/103,253,541.12
  6. Step 6: Final answer
    x = 82,055,949.59

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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.