Home / 72,439,251,458.20-108,594,253,961.70-28,263,041,186.20

Finding the Fourth Proportional to 72,439,251,458.20, 108,594,253,961.70 and 28,263,041,186.20

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Solution

The fourth proportional to 72,439,251,458.20, 108,594,253,961.70 and 28,263,041,186.20 is: 42,369,348,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439,251,458.20 : 108,594,253,961.70 = 28,263,041,186.20 : x
  2. Step 2: Convert to fraction form
    72,439,251,458.20/108,594,253,961.70 = 28,263,041,186.20/x
  3. Step 3: Cross multiply
    72,439,251,458.20x = 108,594,253,961.70 × 28,263,041,186.20
  4. Step 4: Simplify right side
    72,439,251,458.20x = 3,069,203,872,304,189,669,376
  5. Step 5: Solve for x
    x = 3,069,203,872,304,189,669,376/72,439,251,458.20
  6. Step 6: Final answer
    x = 42,369,348,254.17

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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.