Home / 65,340,135.40-98,010,203.10-55,136,468.20

Finding the Fourth Proportional to 65,340,135.40, 98,010,203.10 and 55,136,468.20

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Solution

The fourth proportional to 65,340,135.40, 98,010,203.10 and 55,136,468.20 is: 82,704,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,340,135.40 : 98,010,203.10 = 55,136,468.20 : x
  2. Step 2: Convert to fraction form
    65,340,135.40/98,010,203.10 = 55,136,468.20/x
  3. Step 3: Cross multiply
    65,340,135.40x = 98,010,203.10 × 55,136,468.20
  4. Step 4: Simplify right side
    65,340,135.40x = 5,403,936,446,498,691
  5. Step 5: Solve for x
    x = 5,403,936,446,498,691/65,340,135.40
  6. Step 6: Final answer
    x = 82,704,702.30

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Double scale
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Similar ratio
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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.