Home / 84,531,821.28-126,709,234.34-35,375,838.29

Finding the Fourth Proportional to 84,531,821.28, 126,709,234.34 and 35,375,838.29

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Solution

The fourth proportional to 84,531,821.28, 126,709,234.34 and 35,375,838.29 is: 53,026,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,531,821.28 : 126,709,234.34 = 35,375,838.29 : x
  2. Step 2: Convert to fraction form
    84,531,821.28/126,709,234.34 = 35,375,838.29/x
  3. Step 3: Cross multiply
    84,531,821.28x = 126,709,234.34 × 35,375,838.29
  4. Step 4: Simplify right side
    84,531,821.28x = 4,482,445,384,239,155
  5. Step 5: Solve for x
    x = 4,482,445,384,239,155/84,531,821.28
  6. Step 6: Final answer
    x = 53,026,721.96

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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.