Home / 125,986,221.80-188,979,332.70-104,462,861.30

Finding the Fourth Proportional to 125,986,221.80, 188,979,332.70 and 104,462,861.30

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Solution

The fourth proportional to 125,986,221.80, 188,979,332.70 and 104,462,861.30 is: 156,694,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,986,221.80 : 188,979,332.70 = 104,462,861.30 : x
  2. Step 2: Convert to fraction form
    125,986,221.80/188,979,332.70 = 104,462,861.30/x
  3. Step 3: Cross multiply
    125,986,221.80x = 188,979,332.70 × 104,462,861.30
  4. Step 4: Simplify right side
    125,986,221.80x = 19,741,321,820,406,652
  5. Step 5: Solve for x
    x = 19,741,321,820,406,652/125,986,221.80
  6. Step 6: Final answer
    x = 156,694,291.95

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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.