Home / 75,551,841.11-113,315,085.27-20,969,972.69

Finding the Fourth Proportional to 75,551,841.11, 113,315,085.27 and 20,969,972.69

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Solution

The fourth proportional to 75,551,841.11, 113,315,085.27 and 20,969,972.69 is: 31,451,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551,841.11 : 113,315,085.27 = 20,969,972.69 : x
  2. Step 2: Convert to fraction form
    75,551,841.11/113,315,085.27 = 20,969,972.69/x
  3. Step 3: Cross multiply
    75,551,841.11x = 113,315,085.27 × 20,969,972.69
  4. Step 4: Simplify right side
    75,551,841.11x = 2,376,214,242,910,345.50
  5. Step 5: Solve for x
    x = 2,376,214,242,910,345.50/75,551,841.11
  6. Step 6: Final answer
    x = 31,451,440.60

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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.