Home / 87,205,870,016.94-120,366,491,823.88-56,797,827,727.70

Finding the Fourth Proportional to 87,205,870,016.94, 120,366,491,823.88 and 56,797,827,727.70

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Solution

The fourth proportional to 87,205,870,016.94, 120,366,491,823.88 and 56,797,827,727.70 is: 78,395,585,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,205,870,016.94 : 120,366,491,823.88 = 56,797,827,727.70 : x
  2. Step 2: Convert to fraction form
    87,205,870,016.94/120,366,491,823.88 = 56,797,827,727.70/x
  3. Step 3: Cross multiply
    87,205,870,016.94x = 120,366,491,823.88 × 56,797,827,727.70
  4. Step 4: Simplify right side
    87,205,870,016.94x = 6,836,555,266,800,346,988,544
  5. Step 5: Solve for x
    x = 6,836,555,266,800,346,988,544/87,205,870,016.94
  6. Step 6: Final answer
    x = 78,395,585,818.62

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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.