Home / 65,360,008.20-98,040,012.30-19,921,729.80

Finding the Fourth Proportional to 65,360,008.20, 98,040,012.30 and 19,921,729.80

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Solution

The fourth proportional to 65,360,008.20, 98,040,012.30 and 19,921,729.80 is: 29,882,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,360,008.20 : 98,040,012.30 = 19,921,729.80 : x
  2. Step 2: Convert to fraction form
    65,360,008.20/98,040,012.30 = 19,921,729.80/x
  3. Step 3: Cross multiply
    65,360,008.20x = 98,040,012.30 × 19,921,729.80
  4. Step 4: Simplify right side
    65,360,008.20x = 1,953,126,634,629,276.50
  5. Step 5: Solve for x
    x = 1,953,126,634,629,276.50/65,360,008.20
  6. Step 6: Final answer
    x = 29,882,594.70

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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.