Home / 81,350,169.07-121,976,081.47-32,771,285.66

Finding the Fourth Proportional to 81,350,169.07, 121,976,081.47 and 32,771,285.66

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Solution

The fourth proportional to 81,350,169.07, 121,976,081.47 and 32,771,285.66 is: 49,137,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,350,169.07 : 121,976,081.47 = 32,771,285.66 : x
  2. Step 2: Convert to fraction form
    81,350,169.07/121,976,081.47 = 32,771,285.66/x
  3. Step 3: Cross multiply
    81,350,169.07x = 121,976,081.47 × 32,771,285.66
  4. Step 4: Simplify right side
    81,350,169.07x = 3,997,313,008,767,066
  5. Step 5: Solve for x
    x = 3,997,313,008,767,066/81,350,169.07
  6. Step 6: Final answer
    x = 49,137,119.87

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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.