Home / 84,278,775-126,428,282.76-29,680,068.44

Finding the Fourth Proportional to 84,278,775, 126,428,282.76 and 29,680,068.44

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Solution

The fourth proportional to 84,278,775, 126,428,282.76 and 29,680,068.44 is: 44,523,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,278,775 : 126,428,282.76 = 29,680,068.44 : x
  2. Step 2: Convert to fraction form
    84,278,775/126,428,282.76 = 29,680,068.44/x
  3. Step 3: Cross multiply
    84,278,775x = 126,428,282.76 × 29,680,068.44
  4. Step 4: Simplify right side
    84,278,775x = 3,752,400,085,068,472.50
  5. Step 5: Solve for x
    x = 3,752,400,085,068,472.50/84,278,775
  6. Step 6: Final answer
    x = 44,523,666.67

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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.