Home / 84,564,672.90-126,858,819.15-36,042,141.30

Finding the Fourth Proportional to 84,564,672.90, 126,858,819.15 and 36,042,141.30

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Solution

The fourth proportional to 84,564,672.90, 126,858,819.15 and 36,042,141.30 is: 54,068,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,672.90 : 126,858,819.15 = 36,042,141.30 : x
  2. Step 2: Convert to fraction form
    84,564,672.90/126,858,819.15 = 36,042,141.30/x
  3. Step 3: Cross multiply
    84,564,672.90x = 126,858,819.15 × 36,042,141.30
  4. Step 4: Simplify right side
    84,564,672.90x = 4,572,263,484,955,446
  5. Step 5: Solve for x
    x = 4,572,263,484,955,446/84,564,672.90
  6. Step 6: Final answer
    x = 54,068,245.38

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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.