Home / 75,503,668.40-113,237,098.79-20,914,836.20

Finding the Fourth Proportional to 75,503,668.40, 113,237,098.79 and 20,914,836.20

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Solution

The fourth proportional to 75,503,668.40, 113,237,098.79 and 20,914,836.20 is: 31,367,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503,668.40 : 113,237,098.79 = 20,914,836.20 : x
  2. Step 2: Convert to fraction form
    75,503,668.40/113,237,098.79 = 20,914,836.20/x
  3. Step 3: Cross multiply
    75,503,668.40x = 113,237,098.79 × 20,914,836.20
  4. Step 4: Simplify right side
    75,503,668.40x = 2,368,335,372,285,308.50
  5. Step 5: Solve for x
    x = 2,368,335,372,285,308.50/75,503,668.40
  6. Step 6: Final answer
    x = 31,367,156.36

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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.