Home / 118,747,443.20-178,121,164.80-73,397,811.20

Finding the Fourth Proportional to 118,747,443.20, 178,121,164.80 and 73,397,811.20

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Solution

The fourth proportional to 118,747,443.20, 178,121,164.80 and 73,397,811.20 is: 110,096,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,747,443.20 : 178,121,164.80 = 73,397,811.20 : x
  2. Step 2: Convert to fraction form
    118,747,443.20/178,121,164.80 = 73,397,811.20/x
  3. Step 3: Cross multiply
    118,747,443.20x = 178,121,164.80 × 73,397,811.20
  4. Step 4: Simplify right side
    118,747,443.20x = 13,073,703,624,714,488
  5. Step 5: Solve for x
    x = 13,073,703,624,714,488/118,747,443.20
  6. Step 6: Final answer
    x = 110,096,716.80

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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.