Home / 80,785,594,163.40-121,178,391,245.10-21,897,679,835.40

Finding the Fourth Proportional to 80,785,594,163.40, 121,178,391,245.10 and 21,897,679,835.40

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Solution

The fourth proportional to 80,785,594,163.40, 121,178,391,245.10 and 21,897,679,835.40 is: 32,846,519,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785,594,163.40 : 121,178,391,245.10 = 21,897,679,835.40 : x
  2. Step 2: Convert to fraction form
    80,785,594,163.40/121,178,391,245.10 = 21,897,679,835.40/x
  3. Step 3: Cross multiply
    80,785,594,163.40x = 121,178,391,245.10 × 21,897,679,835.40
  4. Step 4: Simplify right side
    80,785,594,163.40x = 2,653,525,614,454,038,331,392
  5. Step 5: Solve for x
    x = 2,653,525,614,454,038,331,392/80,785,594,163.40
  6. Step 6: Final answer
    x = 32,846,519,753.10

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Double scale
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Similar ratio
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1.5x scale

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.