Home / 51,469,968.10-77,204,952.15-17,390,821.90

Finding the Fourth Proportional to 51,469,968.10, 77,204,952.15 and 17,390,821.90

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Solution

The fourth proportional to 51,469,968.10, 77,204,952.15 and 17,390,821.90 is: 26,086,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,469,968.10 : 77,204,952.15 = 17,390,821.90 : x
  2. Step 2: Convert to fraction form
    51,469,968.10/77,204,952.15 = 17,390,821.90/x
  3. Step 3: Cross multiply
    51,469,968.10x = 77,204,952.15 × 17,390,821.90
  4. Step 4: Simplify right side
    51,469,968.10x = 1,342,657,572,638,672
  5. Step 5: Solve for x
    x = 1,342,657,572,638,672/51,469,968.10
  6. Step 6: Final answer
    x = 26,086,232.85

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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.