Home / 293,755,358.40-440,741,512.80-121,247,131.20

Finding the Fourth Proportional to 293,755,358.40, 440,741,512.80 and 121,247,131.20

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Solution

The fourth proportional to 293,755,358.40, 440,741,512.80 and 121,247,131.20 is: 181,915,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,755,358.40 : 440,741,512.80 = 121,247,131.20 : x
  2. Step 2: Convert to fraction form
    293,755,358.40/440,741,512.80 = 121,247,131.20/x
  3. Step 3: Cross multiply
    293,755,358.40x = 440,741,512.80 × 121,247,131.20
  4. Step 4: Simplify right side
    293,755,358.40x = 53,438,644,027,748,080
  5. Step 5: Solve for x
    x = 53,438,644,027,748,080/293,755,358.40
  6. Step 6: Final answer
    x = 181,915,469.79

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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.