Home / 67,829,182,618.87-101,758,948,568.74-20,669,347,429.75

Finding the Fourth Proportional to 67,829,182,618.87, 101,758,948,568.74 and 20,669,347,429.75

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Solution

The fourth proportional to 67,829,182,618.87, 101,758,948,568.74 and 20,669,347,429.75 is: 31,008,645,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,829,182,618.87 : 101,758,948,568.74 = 20,669,347,429.75 : x
  2. Step 2: Convert to fraction form
    67,829,182,618.87/101,758,948,568.74 = 20,669,347,429.75/x
  3. Step 3: Cross multiply
    67,829,182,618.87x = 101,758,948,568.74 × 20,669,347,429.75
  4. Step 4: Simplify right side
    67,829,182,618.87x = 2,103,291,062,053,348,573,184
  5. Step 5: Solve for x
    x = 2,103,291,062,053,348,573,184/67,829,182,618.87
  6. Step 6: Final answer
    x = 31,008,645,259.25

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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.