Home / 79,690,408.76-109,914,225.19-52,819,141.61

Finding the Fourth Proportional to 79,690,408.76, 109,914,225.19 and 52,819,141.61

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Solution

The fourth proportional to 79,690,408.76, 109,914,225.19 and 52,819,141.61 is: 72,851,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,690,408.76 : 109,914,225.19 = 52,819,141.61 : x
  2. Step 2: Convert to fraction form
    79,690,408.76/109,914,225.19 = 52,819,141.61/x
  3. Step 3: Cross multiply
    79,690,408.76x = 109,914,225.19 × 52,819,141.61
  4. Step 4: Simplify right side
    79,690,408.76x = 5,805,575,025,406,777
  5. Step 5: Solve for x
    x = 5,805,575,025,406,777/79,690,408.76
  6. Step 6: Final answer
    x = 72,851,615.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.