Home / 284,017,435.78-425,993,084.88-76,745,997.94

Finding the Fourth Proportional to 284,017,435.78, 425,993,084.88 and 76,745,997.94

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Solution

The fourth proportional to 284,017,435.78, 425,993,084.88 and 76,745,997.94 is: 115,110,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,017,435.78 : 425,993,084.88 = 76,745,997.94 : x
  2. Step 2: Convert to fraction form
    284,017,435.78/425,993,084.88 = 76,745,997.94/x
  3. Step 3: Cross multiply
    284,017,435.78x = 425,993,084.88 × 76,745,997.94
  4. Step 4: Simplify right side
    284,017,435.78x = 32,693,264,414,654,724
  5. Step 5: Solve for x
    x = 32,693,264,414,654,724/284,017,435.78
  6. Step 6: Final answer
    x = 115,110,061.20

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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.