Home / 67,829,182,621.88-101,758,948,573.24-20,669,347,432.76

Finding the Fourth Proportional to 67,829,182,621.88, 101,758,948,573.24 and 20,669,347,432.76

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Solution

The fourth proportional to 67,829,182,621.88, 101,758,948,573.24 and 20,669,347,432.76 is: 31,008,645,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,829,182,621.88 : 101,758,948,573.24 = 20,669,347,432.76 : x
  2. Step 2: Convert to fraction form
    67,829,182,621.88/101,758,948,573.24 = 20,669,347,432.76/x
  3. Step 3: Cross multiply
    67,829,182,621.88x = 101,758,948,573.24 × 20,669,347,432.76
  4. Step 4: Simplify right side
    67,829,182,621.88x = 2,103,291,062,452,654,964,736
  5. Step 5: Solve for x
    x = 2,103,291,062,452,654,964,736/67,829,182,621.88
  6. Step 6: Final answer
    x = 31,008,645,263.76

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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.