Home / 118,747,441.20-178,121,161.80-73,397,809.20

Finding the Fourth Proportional to 118,747,441.20, 178,121,161.80 and 73,397,809.20

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Solution

The fourth proportional to 118,747,441.20, 178,121,161.80 and 73,397,809.20 is: 110,096,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,747,441.20 : 178,121,161.80 = 73,397,809.20 : x
  2. Step 2: Convert to fraction form
    118,747,441.20/178,121,161.80 = 73,397,809.20/x
  3. Step 3: Cross multiply
    118,747,441.20x = 178,121,161.80 × 73,397,809.20
  4. Step 4: Simplify right side
    118,747,441.20x = 13,073,703,048,278,730
  5. Step 5: Solve for x
    x = 13,073,703,048,278,730/118,747,441.20
  6. Step 6: Final answer
    x = 110,096,713.80

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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.