Home / 104,301,691.20-156,452,536.80-75,990,139.20

Finding the Fourth Proportional to 104,301,691.20, 156,452,536.80 and 75,990,139.20

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Solution

The fourth proportional to 104,301,691.20, 156,452,536.80 and 75,990,139.20 is: 113,985,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,301,691.20 : 156,452,536.80 = 75,990,139.20 : x
  2. Step 2: Convert to fraction form
    104,301,691.20/156,452,536.80 = 75,990,139.20/x
  3. Step 3: Cross multiply
    104,301,691.20x = 156,452,536.80 × 75,990,139.20
  4. Step 4: Simplify right side
    104,301,691.20x = 11,888,850,049,625,124
  5. Step 5: Solve for x
    x = 11,888,850,049,625,124/104,301,691.20
  6. Step 6: Final answer
    x = 113,985,208.80

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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.