Home / 79,883,375.40-119,825,063.10-65,522,658.60

Finding the Fourth Proportional to 79,883,375.40, 119,825,063.10 and 65,522,658.60

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Solution

The fourth proportional to 79,883,375.40, 119,825,063.10 and 65,522,658.60 is: 98,283,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,883,375.40 : 119,825,063.10 = 65,522,658.60 : x
  2. Step 2: Convert to fraction form
    79,883,375.40/119,825,063.10 = 65,522,658.60/x
  3. Step 3: Cross multiply
    79,883,375.40x = 119,825,063.10 × 65,522,658.60
  4. Step 4: Simplify right side
    79,883,375.40x = 7,851,256,701,224,757
  5. Step 5: Solve for x
    x = 7,851,256,701,224,757/79,883,375.40
  6. Step 6: Final answer
    x = 98,283,987.90

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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.