Home / 80,807,023.62-121,210,537.04-19,396,182.33

Finding the Fourth Proportional to 80,807,023.62, 121,210,537.04 and 19,396,182.33

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Solution

The fourth proportional to 80,807,023.62, 121,210,537.04 and 19,396,182.33 is: 29,094,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807,023.62 : 121,210,537.04 = 19,396,182.33 : x
  2. Step 2: Convert to fraction form
    80,807,023.62/121,210,537.04 = 19,396,182.33/x
  3. Step 3: Cross multiply
    80,807,023.62x = 121,210,537.04 × 19,396,182.33
  4. Step 4: Simplify right side
    80,807,023.62x = 2,351,021,676,648,077.50
  5. Step 5: Solve for x
    x = 2,351,021,676,648,077.50/80,807,023.62
  6. Step 6: Final answer
    x = 29,094,273.88

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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.