Home / 72,758,682.30-109,138,023.45-62,980,167.90

Finding the Fourth Proportional to 72,758,682.30, 109,138,023.45 and 62,980,167.90

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Solution

The fourth proportional to 72,758,682.30, 109,138,023.45 and 62,980,167.90 is: 94,470,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,758,682.30 : 109,138,023.45 = 62,980,167.90 : x
  2. Step 2: Convert to fraction form
    72,758,682.30/109,138,023.45 = 62,980,167.90/x
  3. Step 3: Cross multiply
    72,758,682.30x = 109,138,023.45 × 62,980,167.90
  4. Step 4: Simplify right side
    72,758,682.30x = 6,873,531,041,155,137
  5. Step 5: Solve for x
    x = 6,873,531,041,155,137/72,758,682.30
  6. Step 6: Final answer
    x = 94,470,251.85

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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.