Home / 91,987,514.30-137,995,052.25-29,718,021.98

Finding the Fourth Proportional to 91,987,514.30, 137,995,052.25 and 29,718,021.98

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Solution

The fourth proportional to 91,987,514.30, 137,995,052.25 and 29,718,021.98 is: 44,581,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,987,514.30 : 137,995,052.25 = 29,718,021.98 : x
  2. Step 2: Convert to fraction form
    91,987,514.30/137,995,052.25 = 29,718,021.98/x
  3. Step 3: Cross multiply
    91,987,514.30x = 137,995,052.25 × 29,718,021.98
  4. Step 4: Simplify right side
    91,987,514.30x = 4,100,939,995,896,748.50
  5. Step 5: Solve for x
    x = 4,100,939,995,896,748.50/91,987,514.30
  6. Step 6: Final answer
    x = 44,581,485.08

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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.