Home / 115,273,370.88-172,910,021.76-43,452,990.72

Finding the Fourth Proportional to 115,273,370.88, 172,910,021.76 and 43,452,990.72

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Solution

The fourth proportional to 115,273,370.88, 172,910,021.76 and 43,452,990.72 is: 65,179,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,273,370.88 : 172,910,021.76 = 43,452,990.72 : x
  2. Step 2: Convert to fraction form
    115,273,370.88/172,910,021.76 = 43,452,990.72/x
  3. Step 3: Cross multiply
    115,273,370.88x = 172,910,021.76 × 43,452,990.72
  4. Step 4: Simplify right side
    115,273,370.88x = 7,513,457,570,932,277
  5. Step 5: Solve for x
    x = 7,513,457,570,932,277/115,273,370.88
  6. Step 6: Final answer
    x = 65,179,473.05

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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.