Home / 68,760,150,451.94-103,151,420,353.64-20,305,817,543.70

Finding the Fourth Proportional to 68,760,150,451.94, 103,151,420,353.64 and 20,305,817,543.70

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Solution

The fourth proportional to 68,760,150,451.94, 103,151,420,353.64 and 20,305,817,543.70 is: 30,462,032,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,760,150,451.94 : 103,151,420,353.64 = 20,305,817,543.70 : x
  2. Step 2: Convert to fraction form
    68,760,150,451.94/103,151,420,353.64 = 20,305,817,543.70/x
  3. Step 3: Cross multiply
    68,760,150,451.94x = 103,151,420,353.64 × 20,305,817,543.70
  4. Step 4: Simplify right side
    68,760,150,451.94x = 2,094,573,921,074,516,328,448
  5. Step 5: Solve for x
    x = 2,094,573,921,074,516,328,448/68,760,150,451.94
  6. Step 6: Final answer
    x = 30,462,032,257.17

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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.