Home / 99,832,986,142.20-137,689,189,264.14-87,764,192,240.76

Finding the Fourth Proportional to 99,832,986,142.20, 137,689,189,264.14 and 87,764,192,240.76

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Solution

The fourth proportional to 99,832,986,142.20, 137,689,189,264.14 and 87,764,192,240.76 is: 121,043,964,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832,986,142.20 : 137,689,189,264.14 = 87,764,192,240.76 : x
  2. Step 2: Convert to fraction form
    99,832,986,142.20/137,689,189,264.14 = 87,764,192,240.76/x
  3. Step 3: Cross multiply
    99,832,986,142.20x = 137,689,189,264.14 × 87,764,192,240.76
  4. Step 4: Simplify right side
    99,832,986,142.20x = 12,084,180,476,052,371,406,848
  5. Step 5: Solve for x
    x = 12,084,180,476,052,371,406,848/99,832,986,142.20
  6. Step 6: Final answer
    x = 121,043,964,956.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.