Home / 82,344,867,853.28-122,962,790,159.84-67,248,385,178.88

Finding the Fourth Proportional to 82,344,867,853.28, 122,962,790,159.84 and 67,248,385,178.88

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Solution

The fourth proportional to 82,344,867,853.28, 122,962,790,159.84 and 67,248,385,178.88 is: 100,419,726,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344,867,853.28 : 122,962,790,159.84 = 67,248,385,178.88 : x
  2. Step 2: Convert to fraction form
    82,344,867,853.28/122,962,790,159.84 = 67,248,385,178.88/x
  3. Step 3: Cross multiply
    82,344,867,853.28x = 122,962,790,159.84 × 67,248,385,178.88
  4. Step 4: Simplify right side
    82,344,867,853.28x = 8,269,049,075,338,715,332,608
  5. Step 5: Solve for x
    x = 8,269,049,075,338,715,332,608/82,344,867,853.28
  6. Step 6: Final answer
    x = 100,419,726,097.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.