Home / 72,693,122.80-109,039,684.20-29,593,257.70

Finding the Fourth Proportional to 72,693,122.80, 109,039,684.20 and 29,593,257.70

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Solution

The fourth proportional to 72,693,122.80, 109,039,684.20 and 29,593,257.70 is: 44,389,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,693,122.80 : 109,039,684.20 = 29,593,257.70 : x
  2. Step 2: Convert to fraction form
    72,693,122.80/109,039,684.20 = 29,593,257.70/x
  3. Step 3: Cross multiply
    72,693,122.80x = 109,039,684.20 × 29,593,257.70
  4. Step 4: Simplify right side
    72,693,122.80x = 3,226,839,474,057,218.50
  5. Step 5: Solve for x
    x = 3,226,839,474,057,218.50/72,693,122.80
  6. Step 6: Final answer
    x = 44,389,886.55

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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.