Home / 86,199,231.20-129,298,506.60-25,614,957.20

Finding the Fourth Proportional to 86,199,231.20, 129,298,506.60 and 25,614,957.20

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Solution

The fourth proportional to 86,199,231.20, 129,298,506.60 and 25,614,957.20 is: 38,422,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,199,231.20 : 129,298,506.60 = 25,614,957.20 : x
  2. Step 2: Convert to fraction form
    86,199,231.20/129,298,506.60 = 25,614,957.20/x
  3. Step 3: Cross multiply
    86,199,231.20x = 129,298,506.60 × 25,614,957.20
  4. Step 4: Simplify right side
    86,199,231.20x = 3,311,975,712,582,917.50
  5. Step 5: Solve for x
    x = 3,311,975,712,582,917.50/86,199,231.20
  6. Step 6: Final answer
    x = 38,422,334.71

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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.