Home / 423,873,614.57-635,840,689.05-112,979,601.96

Finding the Fourth Proportional to 423,873,614.57, 635,840,689.05 and 112,979,601.96

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Solution

The fourth proportional to 423,873,614.57, 635,840,689.05 and 112,979,601.96 is: 169,477,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,873,614.57 : 635,840,689.05 = 112,979,601.96 : x
  2. Step 2: Convert to fraction form
    423,873,614.57/635,840,689.05 = 112,979,601.96/x
  3. Step 3: Cross multiply
    423,873,614.57x = 635,840,689.05 × 112,979,601.96
  4. Step 4: Simplify right side
    423,873,614.57x = 71,837,027,958,841,120
  5. Step 5: Solve for x
    x = 71,837,027,958,841,120/423,873,614.57
  6. Step 6: Final answer
    x = 169,477,470.38

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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.