Home / 47,149,145.60-70,723,718.40-16,857,996.80

Finding the Fourth Proportional to 47,149,145.60, 70,723,718.40 and 16,857,996.80

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Solution

The fourth proportional to 47,149,145.60, 70,723,718.40 and 16,857,996.80 is: 25,286,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,149,145.60 : 70,723,718.40 = 16,857,996.80 : x
  2. Step 2: Convert to fraction form
    47,149,145.60/70,723,718.40 = 16,857,996.80/x
  3. Step 3: Cross multiply
    47,149,145.60x = 70,723,718.40 × 16,857,996.80
  4. Step 4: Simplify right side
    47,149,145.60x = 1,192,260,218,471,301.25
  5. Step 5: Solve for x
    x = 1,192,260,218,471,301.25/47,149,145.60
  6. Step 6: Final answer
    x = 25,286,995.20

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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.