Home / 284,337,220.38-426,505,830.56-68,926,468.38

Finding the Fourth Proportional to 284,337,220.38, 426,505,830.56 and 68,926,468.38

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Solution

The fourth proportional to 284,337,220.38, 426,505,830.56 and 68,926,468.38 is: 103,389,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,337,220.38 : 426,505,830.56 = 68,926,468.38 : x
  2. Step 2: Convert to fraction form
    284,337,220.38/426,505,830.56 = 68,926,468.38/x
  3. Step 3: Cross multiply
    284,337,220.38x = 426,505,830.56 × 68,926,468.38
  4. Step 4: Simplify right side
    284,337,220.38x = 29,397,540,643,979,476
  5. Step 5: Solve for x
    x = 29,397,540,643,979,476/284,337,220.38
  6. Step 6: Final answer
    x = 103,389,702.57

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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.