Home / 80,807,102.35-121,210,654.56-19,396,260.92

Finding the Fourth Proportional to 80,807,102.35, 121,210,654.56 and 19,396,260.92

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Solution

The fourth proportional to 80,807,102.35, 121,210,654.56 and 19,396,260.92 is: 29,094,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807,102.35 : 121,210,654.56 = 19,396,260.92 : x
  2. Step 2: Convert to fraction form
    80,807,102.35/121,210,654.56 = 19,396,260.92/x
  3. Step 3: Cross multiply
    80,807,102.35x = 121,210,654.56 × 19,396,260.92
  4. Step 4: Simplify right side
    80,807,102.35x = 2,351,033,482,073,698
  5. Step 5: Solve for x
    x = 2,351,033,482,073,698/80,807,102.35
  6. Step 6: Final answer
    x = 29,094,391.63

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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.