Home / 112,957,221.20-169,459,451.40-36,287,999.60

Finding the Fourth Proportional to 112,957,221.20, 169,459,451.40 and 36,287,999.60

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Solution

The fourth proportional to 112,957,221.20, 169,459,451.40 and 36,287,999.60 is: 54,439,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,957,221.20 : 169,459,451.40 = 36,287,999.60 : x
  2. Step 2: Convert to fraction form
    112,957,221.20/169,459,451.40 = 36,287,999.60/x
  3. Step 3: Cross multiply
    112,957,221.20x = 169,459,451.40 × 36,287,999.60
  4. Step 4: Simplify right side
    112,957,221.20x = 6,149,344,504,619,420
  5. Step 5: Solve for x
    x = 6,149,344,504,619,420/112,957,221.20
  6. Step 6: Final answer
    x = 54,439,587.30

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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.