Home / 359,405,729.68-539,168,193.24-126,175,910.80

Finding the Fourth Proportional to 359,405,729.68, 539,168,193.24 and 126,175,910.80

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Solution

The fourth proportional to 359,405,729.68, 539,168,193.24 and 126,175,910.80 is: 189,284,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,405,729.68 : 539,168,193.24 = 126,175,910.80 : x
  2. Step 2: Convert to fraction form
    359,405,729.68/539,168,193.24 = 126,175,910.80/x
  3. Step 3: Cross multiply
    359,405,729.68x = 539,168,193.24 × 126,175,910.80
  4. Step 4: Simplify right side
    359,405,729.68x = 68,030,037,856,447,400
  5. Step 5: Solve for x
    x = 68,030,037,856,447,400/359,405,729.68
  6. Step 6: Final answer
    x = 189,284,789.41

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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.