Home / 80,785,594,491.40-121,178,391,737.10-21,897,680,163.40

Finding the Fourth Proportional to 80,785,594,491.40, 121,178,391,737.10 and 21,897,680,163.40

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Solution

The fourth proportional to 80,785,594,491.40, 121,178,391,737.10 and 21,897,680,163.40 is: 32,846,520,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785,594,491.40 : 121,178,391,737.10 = 21,897,680,163.40 : x
  2. Step 2: Convert to fraction form
    80,785,594,491.40/121,178,391,737.10 = 21,897,680,163.40/x
  3. Step 3: Cross multiply
    80,785,594,491.40x = 121,178,391,737.10 × 21,897,680,163.40
  4. Step 4: Simplify right side
    80,785,594,491.40x = 2,653,525,664,974,209,286,144
  5. Step 5: Solve for x
    x = 2,653,525,664,974,209,286,144/80,785,594,491.40
  6. Step 6: Final answer
    x = 32,846,520,245.10

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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.