Home / 102,809,279,129.28-154,132,813,416.18-64,956,067,997.22

Finding the Fourth Proportional to 102,809,279,129.28, 154,132,813,416.18 and 64,956,067,997.22

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Solution

The fourth proportional to 102,809,279,129.28, 154,132,813,416.18 and 64,956,067,997.22 is: 97,382,858,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,809,279,129.28 : 154,132,813,416.18 = 64,956,067,997.22 : x
  2. Step 2: Convert to fraction form
    102,809,279,129.28/154,132,813,416.18 = 64,956,067,997.22/x
  3. Step 3: Cross multiply
    102,809,279,129.28x = 154,132,813,416.18 × 64,956,067,997.22
  4. Step 4: Simplify right side
    102,809,279,129.28x = 10,011,861,508,864,209,846,272
  5. Step 5: Solve for x
    x = 10,011,861,508,864,209,846,272/102,809,279,129.28
  6. Step 6: Final answer
    x = 97,382,858,761.95

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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.