Home / 68,760,150,474.97-103,151,420,387.96-20,305,817,566.74

Finding the Fourth Proportional to 68,760,150,474.97, 103,151,420,387.96 and 20,305,817,566.74

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Solution

The fourth proportional to 68,760,150,474.97, 103,151,420,387.96 and 20,305,817,566.74 is: 30,462,032,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,760,150,474.97 : 103,151,420,387.96 = 20,305,817,566.74 : x
  2. Step 2: Convert to fraction form
    68,760,150,474.97/103,151,420,387.96 = 20,305,817,566.74/x
  3. Step 3: Cross multiply
    68,760,150,474.97x = 103,151,420,387.96 × 20,305,817,566.74
  4. Step 4: Simplify right side
    68,760,150,474.97x = 2,094,573,924,148,021,035,008
  5. Step 5: Solve for x
    x = 2,094,573,924,148,021,035,008/68,760,150,474.97
  6. Step 6: Final answer
    x = 30,462,032,291.66

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1.5x scale

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.