Home / 243,278,359.28-335,721,463.08-131,766,425.84

Finding the Fourth Proportional to 243,278,359.28, 335,721,463.08 and 131,766,425.84

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Solution

The fourth proportional to 243,278,359.28, 335,721,463.08 and 131,766,425.84 is: 181,836,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,278,359.28 : 335,721,463.08 = 131,766,425.84 : x
  2. Step 2: Convert to fraction form
    243,278,359.28/335,721,463.08 = 131,766,425.84/x
  3. Step 3: Cross multiply
    243,278,359.28x = 335,721,463.08 × 131,766,425.84
  4. Step 4: Simplify right side
    243,278,359.28x = 44,236,817,267,827,120
  5. Step 5: Solve for x
    x = 44,236,817,267,827,120/243,278,359.28
  6. Step 6: Final answer
    x = 181,836,220.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.