Home / 219,912,668,114.85-329,869,002,172.28-87,414,860,876.85

Finding the Fourth Proportional to 219,912,668,114.85, 329,869,002,172.28 and 87,414,860,876.85

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Solution

The fourth proportional to 219,912,668,114.85, 329,869,002,172.28 and 87,414,860,876.85 is: 131,122,291,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,912,668,114.85 : 329,869,002,172.28 = 87,414,860,876.85 : x
  2. Step 2: Convert to fraction form
    219,912,668,114.85/329,869,002,172.28 = 87,414,860,876.85/x
  3. Step 3: Cross multiply
    219,912,668,114.85x = 329,869,002,172.28 × 87,414,860,876.85
  4. Step 4: Simplify right side
    219,912,668,114.85x = 28,835,452,932,475,192,344,576
  5. Step 5: Solve for x
    x = 28,835,452,932,475,192,344,576/219,912,668,114.85
  6. Step 6: Final answer
    x = 131,122,291,315.28

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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.