Home / 217,401,667.13-326,132,782.45-69,853,667.29

Finding the Fourth Proportional to 217,401,667.13, 326,132,782.45 and 69,853,667.29

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Solution

The fourth proportional to 217,401,667.13, 326,132,782.45 and 69,853,667.29 is: 104,790,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401,667.13 : 326,132,782.45 = 69,853,667.29 : x
  2. Step 2: Convert to fraction form
    217,401,667.13/326,132,782.45 = 69,853,667.29/x
  3. Step 3: Cross multiply
    217,401,667.13x = 326,132,782.45 × 69,853,667.29
  4. Step 4: Simplify right side
    217,401,667.13x = 22,781,570,876,634,284
  5. Step 5: Solve for x
    x = 22,781,570,876,634,284/217,401,667.13
  6. Step 6: Final answer
    x = 104,790,230.81

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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.