Home / 125,986,218.30-188,979,327.45-104,462,857.80

Finding the Fourth Proportional to 125,986,218.30, 188,979,327.45 and 104,462,857.80

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Solution

The fourth proportional to 125,986,218.30, 188,979,327.45 and 104,462,857.80 is: 156,694,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,986,218.30 : 188,979,327.45 = 104,462,857.80 : x
  2. Step 2: Convert to fraction form
    125,986,218.30/188,979,327.45 = 104,462,857.80/x
  3. Step 3: Cross multiply
    125,986,218.30x = 188,979,327.45 × 104,462,857.80
  4. Step 4: Simplify right side
    125,986,218.30x = 19,741,320,610,548,984
  5. Step 5: Solve for x
    x = 19,741,320,610,548,984/125,986,218.30
  6. Step 6: Final answer
    x = 156,694,286.70

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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.