Home / 67,147,900.80-100,721,851.20-51,023,587.20

Finding the Fourth Proportional to 67,147,900.80, 100,721,851.20 and 51,023,587.20

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Solution

The fourth proportional to 67,147,900.80, 100,721,851.20 and 51,023,587.20 is: 76,535,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147,900.80 : 100,721,851.20 = 51,023,587.20 : x
  2. Step 2: Convert to fraction form
    67,147,900.80/100,721,851.20 = 51,023,587.20/x
  3. Step 3: Cross multiply
    67,147,900.80x = 100,721,851.20 × 51,023,587.20
  4. Step 4: Simplify right side
    67,147,900.80x = 5,139,190,157,648,625
  5. Step 5: Solve for x
    x = 5,139,190,157,648,625/67,147,900.80
  6. Step 6: Final answer
    x = 76,535,380.80

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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.