Home / 121,231,736.40-181,847,604.60-53,207,288.40

Finding the Fourth Proportional to 121,231,736.40, 181,847,604.60 and 53,207,288.40

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Solution

The fourth proportional to 121,231,736.40, 181,847,604.60 and 53,207,288.40 is: 79,810,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,231,736.40 : 181,847,604.60 = 53,207,288.40 : x
  2. Step 2: Convert to fraction form
    121,231,736.40/181,847,604.60 = 53,207,288.40/x
  3. Step 3: Cross multiply
    121,231,736.40x = 181,847,604.60 × 53,207,288.40
  4. Step 4: Simplify right side
    121,231,736.40x = 9,675,617,942,801,366
  5. Step 5: Solve for x
    x = 9,675,617,942,801,366/121,231,736.40
  6. Step 6: Final answer
    x = 79,810,932.60

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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.