Home / 86,622,176.80-129,933,265.20-54,373,549.60

Finding the Fourth Proportional to 86,622,176.80, 129,933,265.20 and 54,373,549.60

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Solution

The fourth proportional to 86,622,176.80, 129,933,265.20 and 54,373,549.60 is: 81,560,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622,176.80 : 129,933,265.20 = 54,373,549.60 : x
  2. Step 2: Convert to fraction form
    86,622,176.80/129,933,265.20 = 54,373,549.60/x
  3. Step 3: Cross multiply
    86,622,176.80x = 129,933,265.20 × 54,373,549.60
  4. Step 4: Simplify right side
    86,622,176.80x = 7,064,932,840,042,154
  5. Step 5: Solve for x
    x = 7,064,932,840,042,154/86,622,176.80
  6. Step 6: Final answer
    x = 81,560,324.40

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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.