Home / 287,577,342.30-431,366,013.45-241,660,839.90

Finding the Fourth Proportional to 287,577,342.30, 431,366,013.45 and 241,660,839.90

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Solution

The fourth proportional to 287,577,342.30, 431,366,013.45 and 241,660,839.90 is: 362,491,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,577,342.30 : 431,366,013.45 = 241,660,839.90 : x
  2. Step 2: Convert to fraction form
    287,577,342.30/431,366,013.45 = 241,660,839.90/x
  3. Step 3: Cross multiply
    287,577,342.30x = 431,366,013.45 × 241,660,839.90
  4. Step 4: Simplify right side
    287,577,342.30x = 104,244,273,114,641,696
  5. Step 5: Solve for x
    x = 104,244,273,114,641,696/287,577,342.30
  6. Step 6: Final answer
    x = 362,491,259.85

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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.