Home / 82,234,710.79-123,264,836.78-38,478,603.54

Finding the Fourth Proportional to 82,234,710.79, 123,264,836.78 and 38,478,603.54

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Solution

The fourth proportional to 82,234,710.79, 123,264,836.78 and 38,478,603.54 is: 57,677,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,234,710.79 : 123,264,836.78 = 38,478,603.54 : x
  2. Step 2: Convert to fraction form
    82,234,710.79/123,264,836.78 = 38,478,603.54/x
  3. Step 3: Cross multiply
    82,234,710.79x = 123,264,836.78 × 38,478,603.54
  4. Step 4: Simplify right side
    82,234,710.79x = 4,743,058,784,071,713
  5. Step 5: Solve for x
    x = 4,743,058,784,071,713/82,234,710.79
  6. Step 6: Final answer
    x = 57,677,089.62

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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.