Home / 82,654,787.18-123,982,435.73-20,406,108.68

Finding the Fourth Proportional to 82,654,787.18, 123,982,435.73 and 20,406,108.68

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Solution

The fourth proportional to 82,654,787.18, 123,982,435.73 and 20,406,108.68 is: 30,609,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,654,787.18 : 123,982,435.73 = 20,406,108.68 : x
  2. Step 2: Convert to fraction form
    82,654,787.18/123,982,435.73 = 20,406,108.68/x
  3. Step 3: Cross multiply
    82,654,787.18x = 123,982,435.73 × 20,406,108.68
  4. Step 4: Simplify right side
    82,654,787.18x = 2,529,999,057,195,552.50
  5. Step 5: Solve for x
    x = 2,529,999,057,195,552.50/82,654,787.18
  6. Step 6: Final answer
    x = 30,609,225.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.