Home / 52,145,132.10-78,220,687.25-13,805,649.96

Finding the Fourth Proportional to 52,145,132.10, 78,220,687.25 and 13,805,649.96

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Solution

The fourth proportional to 52,145,132.10, 78,220,687.25 and 13,805,649.96 is: 20,709,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,132.10 : 78,220,687.25 = 13,805,649.96 : x
  2. Step 2: Convert to fraction form
    52,145,132.10/78,220,687.25 = 13,805,649.96/x
  3. Step 3: Cross multiply
    52,145,132.10x = 78,220,687.25 × 13,805,649.96
  4. Step 4: Simplify right side
    52,145,132.10x = 1,079,887,427,804,135.12
  5. Step 5: Solve for x
    x = 1,079,887,427,804,135.12/52,145,132.10
  6. Step 6: Final answer
    x = 20,709,266.32

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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.