Home / 68,974,531.86-95,149,235.61-42,859,127.46

Finding the Fourth Proportional to 68,974,531.86, 95,149,235.61 and 42,859,127.46

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Solution

The fourth proportional to 68,974,531.86, 95,149,235.61 and 42,859,127.46 is: 59,123,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,974,531.86 : 95,149,235.61 = 42,859,127.46 : x
  2. Step 2: Convert to fraction form
    68,974,531.86/95,149,235.61 = 42,859,127.46/x
  3. Step 3: Cross multiply
    68,974,531.86x = 95,149,235.61 × 42,859,127.46
  4. Step 4: Simplify right side
    68,974,531.86x = 4,078,013,216,730,561
  5. Step 5: Solve for x
    x = 4,078,013,216,730,561/68,974,531.86
  6. Step 6: Final answer
    x = 59,123,463.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.