Home / 80,396,366.40-120,594,549.60-49,785,364.80

Finding the Fourth Proportional to 80,396,366.40, 120,594,549.60 and 49,785,364.80

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Solution

The fourth proportional to 80,396,366.40, 120,594,549.60 and 49,785,364.80 is: 74,678,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,396,366.40 : 120,594,549.60 = 49,785,364.80 : x
  2. Step 2: Convert to fraction form
    80,396,366.40/120,594,549.60 = 49,785,364.80/x
  3. Step 3: Cross multiply
    80,396,366.40x = 120,594,549.60 × 49,785,364.80
  4. Step 4: Simplify right side
    80,396,366.40x = 6,003,843,644,727,693
  5. Step 5: Solve for x
    x = 6,003,843,644,727,693/80,396,366.40
  6. Step 6: Final answer
    x = 74,678,047.20

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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.