Home / 86,287,816.80-129,431,725.20-63,613,000.80

Finding the Fourth Proportional to 86,287,816.80, 129,431,725.20 and 63,613,000.80

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Solution

The fourth proportional to 86,287,816.80, 129,431,725.20 and 63,613,000.80 is: 95,419,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287,816.80 : 129,431,725.20 = 63,613,000.80 : x
  2. Step 2: Convert to fraction form
    86,287,816.80/129,431,725.20 = 63,613,000.80/x
  3. Step 3: Cross multiply
    86,287,816.80x = 129,431,725.20 × 63,613,000.80
  4. Step 4: Simplify right side
    86,287,816.80x = 8,233,540,438,692,980
  5. Step 5: Solve for x
    x = 8,233,540,438,692,980/86,287,816.80
  6. Step 6: Final answer
    x = 95,419,501.20

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Similar ratio
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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.