Home / 87,206,646.60-130,809,969.90-29,679,798.60

Finding the Fourth Proportional to 87,206,646.60, 130,809,969.90 and 29,679,798.60

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Solution

The fourth proportional to 87,206,646.60, 130,809,969.90 and 29,679,798.60 is: 44,519,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,206,646.60 : 130,809,969.90 = 29,679,798.60 : x
  2. Step 2: Convert to fraction form
    87,206,646.60/130,809,969.90 = 29,679,798.60/x
  3. Step 3: Cross multiply
    87,206,646.60x = 130,809,969.90 × 29,679,798.60
  4. Step 4: Simplify right side
    87,206,646.60x = 3,882,413,561,504,062.50
  5. Step 5: Solve for x
    x = 3,882,413,561,504,062.50/87,206,646.60
  6. Step 6: Final answer
    x = 44,519,697.90

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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.