Home / 67,829,154.89-101,789,086.46-28,976,686.61

Finding the Fourth Proportional to 67,829,154.89, 101,789,086.46 and 28,976,686.61

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Solution

The fourth proportional to 67,829,154.89, 101,789,086.46 and 28,976,686.61 is: 43,484,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,829,154.89 : 101,789,086.46 = 28,976,686.61 : x
  2. Step 2: Convert to fraction form
    67,829,154.89/101,789,086.46 = 28,976,686.61/x
  3. Step 3: Cross multiply
    67,829,154.89x = 101,789,086.46 × 28,976,686.61
  4. Step 4: Simplify right side
    67,829,154.89x = 2,949,510,458,015,785.50
  5. Step 5: Solve for x
    x = 2,949,510,458,015,785.50/67,829,154.89
  6. Step 6: Final answer
    x = 43,484,405.24

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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.