Home / 86,200,399.80-129,363,585.30-60,691,231.80

Finding the Fourth Proportional to 86,200,399.80, 129,363,585.30 and 60,691,231.80

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Solution

The fourth proportional to 86,200,399.80, 129,363,585.30 and 60,691,231.80 is: 91,081,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200,399.80 : 129,363,585.30 = 60,691,231.80 : x
  2. Step 2: Convert to fraction form
    86,200,399.80/129,363,585.30 = 60,691,231.80/x
  3. Step 3: Cross multiply
    86,200,399.80x = 129,363,585.30 × 60,691,231.80
  4. Step 4: Simplify right side
    86,200,399.80x = 7,851,235,341,921,372
  5. Step 5: Solve for x
    x = 7,851,235,341,921,372/86,200,399.80
  6. Step 6: Final answer
    x = 91,081,194.06

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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.