Home / 86,200,320.24-129,297,331.08-25,614,471.60

Finding the Fourth Proportional to 86,200,320.24, 129,297,331.08 and 25,614,471.60

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Solution

The fourth proportional to 86,200,320.24, 129,297,331.08 and 25,614,471.60 is: 38,420,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200,320.24 : 129,297,331.08 = 25,614,471.60 : x
  2. Step 2: Convert to fraction form
    86,200,320.24/129,297,331.08 = 25,614,471.60/x
  3. Step 3: Cross multiply
    86,200,320.24x = 129,297,331.08 × 25,614,471.60
  4. Step 4: Simplify right side
    86,200,320.24x = 3,311,882,814,904,457.50
  5. Step 5: Solve for x
    x = 3,311,882,814,904,457.50/86,200,320.24
  6. Step 6: Final answer
    x = 38,420,771.59

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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.