Home / 71,524,000.80-107,286,001.20-66,741,031.80

Finding the Fourth Proportional to 71,524,000.80, 107,286,001.20 and 66,741,031.80

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Solution

The fourth proportional to 71,524,000.80, 107,286,001.20 and 66,741,031.80 is: 100,111,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,524,000.80 : 107,286,001.20 = 66,741,031.80 : x
  2. Step 2: Convert to fraction form
    71,524,000.80/107,286,001.20 = 66,741,031.80/x
  3. Step 3: Cross multiply
    71,524,000.80x = 107,286,001.20 × 66,741,031.80
  4. Step 4: Simplify right side
    71,524,000.80x = 7,160,378,417,784,038
  5. Step 5: Solve for x
    x = 7,160,378,417,784,038/71,524,000.80
  6. Step 6: Final answer
    x = 100,111,547.70

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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.