Home / 87,756,449.20-131,634,673.80-42,406,817.20

Finding the Fourth Proportional to 87,756,449.20, 131,634,673.80 and 42,406,817.20

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Solution

The fourth proportional to 87,756,449.20, 131,634,673.80 and 42,406,817.20 is: 63,610,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756,449.20 : 131,634,673.80 = 42,406,817.20 : x
  2. Step 2: Convert to fraction form
    87,756,449.20/131,634,673.80 = 42,406,817.20/x
  3. Step 3: Cross multiply
    87,756,449.20x = 131,634,673.80 × 42,406,817.20
  4. Step 4: Simplify right side
    87,756,449.20x = 5,582,207,549,018,230
  5. Step 5: Solve for x
    x = 5,582,207,549,018,230/87,756,449.20
  6. Step 6: Final answer
    x = 63,610,225.80

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Similar ratio
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1.5x scale

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.