Home / 51,022,760.17-76,488,819.92-19,891,241.63

Finding the Fourth Proportional to 51,022,760.17, 76,488,819.92 and 19,891,241.63

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Solution

The fourth proportional to 51,022,760.17, 76,488,819.92 and 19,891,241.63 is: 29,819,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022,760.17 : 76,488,819.92 = 19,891,241.63 : x
  2. Step 2: Convert to fraction form
    51,022,760.17/76,488,819.92 = 19,891,241.63/x
  3. Step 3: Cross multiply
    51,022,760.17x = 76,488,819.92 × 19,891,241.63
  4. Step 4: Simplify right side
    51,022,760.17x = 1,521,457,599,332,051.75
  5. Step 5: Solve for x
    x = 1,521,457,599,332,051.75/51,022,760.17
  6. Step 6: Final answer
    x = 29,819,194.30

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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.