Home / 164,960,791.20-247,600,619.10-83,172,021.30

Finding the Fourth Proportional to 164,960,791.20, 247,600,619.10 and 83,172,021.30

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Solution

The fourth proportional to 164,960,791.20, 247,600,619.10 and 83,172,021.30 is: 124,838,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,960,791.20 : 247,600,619.10 = 83,172,021.30 : x
  2. Step 2: Convert to fraction form
    164,960,791.20/247,600,619.10 = 83,172,021.30/x
  3. Step 3: Cross multiply
    164,960,791.20x = 247,600,619.10 × 83,172,021.30
  4. Step 4: Simplify right side
    164,960,791.20x = 20,593,443,965,678,384
  5. Step 5: Solve for x
    x = 20,593,443,965,678,384/164,960,791.20
  6. Step 6: Final answer
    x = 124,838,416.55

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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.