Home / 45,679,694-68,537,474.64-20,102,761.92

Finding the Fourth Proportional to 45,679,694, 68,537,474.64 and 20,102,761.92

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Solution

The fourth proportional to 45,679,694, 68,537,474.64 and 20,102,761.92 is: 30,162,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679,694 : 68,537,474.64 = 20,102,761.92 : x
  2. Step 2: Convert to fraction form
    45,679,694/68,537,474.64 = 20,102,761.92/x
  3. Step 3: Cross multiply
    45,679,694x = 68,537,474.64 × 20,102,761.92
  4. Step 4: Simplify right side
    45,679,694x = 1,377,792,535,285,957.75
  5. Step 5: Solve for x
    x = 1,377,792,535,285,957.75/45,679,694
  6. Step 6: Final answer
    x = 30,162,035.13

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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.