Home / 80,922,842.01-121,332,073.62-31,743,664.47

Finding the Fourth Proportional to 80,922,842.01, 121,332,073.62 and 31,743,664.47

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Solution

The fourth proportional to 80,922,842.01, 121,332,073.62 and 31,743,664.47 is: 47,595,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922,842.01 : 121,332,073.62 = 31,743,664.47 : x
  2. Step 2: Convert to fraction form
    80,922,842.01/121,332,073.62 = 31,743,664.47/x
  3. Step 3: Cross multiply
    80,922,842.01x = 121,332,073.62 × 31,743,664.47
  4. Step 4: Simplify right side
    80,922,842.01x = 3,851,524,634,442,618.50
  5. Step 5: Solve for x
    x = 3,851,524,634,442,618.50/80,922,842.01
  6. Step 6: Final answer
    x = 47,595,024.33

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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.