Home / 42,039,252.40-63,086,872.20-19,308,449.20

Finding the Fourth Proportional to 42,039,252.40, 63,086,872.20 and 19,308,449.20

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Solution

The fourth proportional to 42,039,252.40, 63,086,872.20 and 19,308,449.20 is: 28,975,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039,252.40 : 63,086,872.20 = 19,308,449.20 : x
  2. Step 2: Convert to fraction form
    42,039,252.40/63,086,872.20 = 19,308,449.20/x
  3. Step 3: Cross multiply
    42,039,252.40x = 63,086,872.20 × 19,308,449.20
  4. Step 4: Simplify right side
    42,039,252.40x = 1,218,109,667,060,592.25
  5. Step 5: Solve for x
    x = 1,218,109,667,060,592.25/42,039,252.40
  6. Step 6: Final answer
    x = 28,975,531.14

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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.