Home / 65,762,620.20-98,643,930.30-31,687,410.60

Finding the Fourth Proportional to 65,762,620.20, 98,643,930.30 and 31,687,410.60

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Solution

The fourth proportional to 65,762,620.20, 98,643,930.30 and 31,687,410.60 is: 47,531,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762,620.20 : 98,643,930.30 = 31,687,410.60 : x
  2. Step 2: Convert to fraction form
    65,762,620.20/98,643,930.30 = 31,687,410.60/x
  3. Step 3: Cross multiply
    65,762,620.20x = 98,643,930.30 × 31,687,410.60
  4. Step 4: Simplify right side
    65,762,620.20x = 3,125,770,722,613,881
  5. Step 5: Solve for x
    x = 3,125,770,722,613,881/65,762,620.20
  6. Step 6: Final answer
    x = 47,531,115.90

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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.