Home / 99,832,986,139.20-137,689,189,260-87,764,192,237.76

Finding the Fourth Proportional to 99,832,986,139.20, 137,689,189,260 and 87,764,192,237.76

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Solution

The fourth proportional to 99,832,986,139.20, 137,689,189,260 and 87,764,192,237.76 is: 121,043,964,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832,986,139.20 : 137,689,189,260 = 87,764,192,237.76 : x
  2. Step 2: Convert to fraction form
    99,832,986,139.20/137,689,189,260 = 87,764,192,237.76/x
  3. Step 3: Cross multiply
    99,832,986,139.20x = 137,689,189,260 × 87,764,192,237.76
  4. Step 4: Simplify right side
    99,832,986,139.20x = 12,084,180,475,275,959,599,104
  5. Step 5: Solve for x
    x = 12,084,180,475,275,959,599,104/99,832,986,139.20
  6. Step 6: Final answer
    x = 121,043,964,951.89

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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.