Home / 72,068,793.79-108,275,650.28-46,211,754.91

Finding the Fourth Proportional to 72,068,793.79, 108,275,650.28 and 46,211,754.91

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Solution

The fourth proportional to 72,068,793.79, 108,275,650.28 and 46,211,754.91 is: 69,428,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068,793.79 : 108,275,650.28 = 46,211,754.91 : x
  2. Step 2: Convert to fraction form
    72,068,793.79/108,275,650.28 = 46,211,754.91/x
  3. Step 3: Cross multiply
    72,068,793.79x = 108,275,650.28 × 46,211,754.91
  4. Step 4: Simplify right side
    72,068,793.79x = 5,003,607,812,687,796
  5. Step 5: Solve for x
    x = 5,003,607,812,687,796/72,068,793.79
  6. Step 6: Final answer
    x = 69,428,216.43

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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.