Home / 71,216,864.70-106,810,348.50-20,086,926.12

Finding the Fourth Proportional to 71,216,864.70, 106,810,348.50 and 20,086,926.12

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Solution

The fourth proportional to 71,216,864.70, 106,810,348.50 and 20,086,926.12 is: 30,126,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,216,864.70 : 106,810,348.50 = 20,086,926.12 : x
  2. Step 2: Convert to fraction form
    71,216,864.70/106,810,348.50 = 20,086,926.12/x
  3. Step 3: Cross multiply
    71,216,864.70x = 106,810,348.50 × 20,086,926.12
  4. Step 4: Simplify right side
    71,216,864.70x = 2,145,491,579,170,953
  5. Step 5: Solve for x
    x = 2,145,491,579,170,953/71,216,864.70
  6. Step 6: Final answer
    x = 30,126,172.90

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1.5x scale

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.