Home / 45,187,972.64-67,743,862.32-19,609,713.44

Finding the Fourth Proportional to 45,187,972.64, 67,743,862.32 and 19,609,713.44

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Solution

The fourth proportional to 45,187,972.64, 67,743,862.32 and 19,609,713.44 is: 29,398,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187,972.64 : 67,743,862.32 = 19,609,713.44 : x
  2. Step 2: Convert to fraction form
    45,187,972.64/67,743,862.32 = 19,609,713.44/x
  3. Step 3: Cross multiply
    45,187,972.64x = 67,743,862.32 × 19,609,713.44
  4. Step 4: Simplify right side
    45,187,972.64x = 1,328,437,727,414,013.50
  5. Step 5: Solve for x
    x = 1,328,437,727,414,013.50/45,187,972.64
  6. Step 6: Final answer
    x = 29,398,037.79

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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.