Home / 91,987,512.30-137,995,049.25-29,718,019.98

Finding the Fourth Proportional to 91,987,512.30, 137,995,049.25 and 29,718,019.98

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Solution

The fourth proportional to 91,987,512.30, 137,995,049.25 and 29,718,019.98 is: 44,581,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,987,512.30 : 137,995,049.25 = 29,718,019.98 : x
  2. Step 2: Convert to fraction form
    91,987,512.30/137,995,049.25 = 29,718,019.98/x
  3. Step 3: Cross multiply
    91,987,512.30x = 137,995,049.25 × 29,718,019.98
  4. Step 4: Simplify right side
    91,987,512.30x = 4,100,939,630,752,584
  5. Step 5: Solve for x
    x = 4,100,939,630,752,584/91,987,512.30
  6. Step 6: Final answer
    x = 44,581,482.08

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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.