Home / 82,512,200.80-123,900,493.20-65,613,397.60

Finding the Fourth Proportional to 82,512,200.80, 123,900,493.20 and 65,613,397.60

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Solution

The fourth proportional to 82,512,200.80, 123,900,493.20 and 65,613,397.60 is: 98,525,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,512,200.80 : 123,900,493.20 = 65,613,397.60 : x
  2. Step 2: Convert to fraction form
    82,512,200.80/123,900,493.20 = 65,613,397.60/x
  3. Step 3: Cross multiply
    82,512,200.80x = 123,900,493.20 × 65,613,397.60
  4. Step 4: Simplify right side
    82,512,200.80x = 8,129,532,323,167,697
  5. Step 5: Solve for x
    x = 8,129,532,323,167,697/82,512,200.80
  6. Step 6: Final answer
    x = 98,525,214.99

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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.