Home / 231,921,091.29-320,057,730.09-141,399,806.40

Finding the Fourth Proportional to 231,921,091.29, 320,057,730.09 and 141,399,806.40

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Solution

The fourth proportional to 231,921,091.29, 320,057,730.09 and 141,399,806.40 is: 195,135,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,921,091.29 : 320,057,730.09 = 141,399,806.40 : x
  2. Step 2: Convert to fraction form
    231,921,091.29/320,057,730.09 = 141,399,806.40/x
  3. Step 3: Cross multiply
    231,921,091.29x = 320,057,730.09 × 141,399,806.40
  4. Step 4: Simplify right side
    231,921,091.29x = 45,256,101,071,549,456
  5. Step 5: Solve for x
    x = 45,256,101,071,549,456/231,921,091.29
  6. Step 6: Final answer
    x = 195,135,771.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.