Home / 98,700,829.20-136,211,400.12-54,647,826.72

Finding the Fourth Proportional to 98,700,829.20, 136,211,400.12 and 54,647,826.72

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Solution

The fourth proportional to 98,700,829.20, 136,211,400.12 and 54,647,826.72 is: 75,416,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,700,829.20 : 136,211,400.12 = 54,647,826.72 : x
  2. Step 2: Convert to fraction form
    98,700,829.20/136,211,400.12 = 54,647,826.72/x
  3. Step 3: Cross multiply
    98,700,829.20x = 136,211,400.12 × 54,647,826.72
  4. Step 4: Simplify right side
    98,700,829.20x = 7,443,656,991,046,347
  5. Step 5: Solve for x
    x = 7,443,656,991,046,347/98,700,829.20
  6. Step 6: Final answer
    x = 75,416,357.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.