Home / 132,083,309.48-198,057,073.19-69,868,081.31

Finding the Fourth Proportional to 132,083,309.48, 198,057,073.19 and 69,868,081.31

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Solution

The fourth proportional to 132,083,309.48, 198,057,073.19 and 69,868,081.31 is: 104,766,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,083,309.48 : 198,057,073.19 = 69,868,081.31 : x
  2. Step 2: Convert to fraction form
    132,083,309.48/198,057,073.19 = 69,868,081.31/x
  3. Step 3: Cross multiply
    132,083,309.48x = 198,057,073.19 × 69,868,081.31
  4. Step 4: Simplify right side
    132,083,309.48x = 13,837,867,692,319,916
  5. Step 5: Solve for x
    x = 13,837,867,692,319,916/132,083,309.48
  6. Step 6: Final answer
    x = 104,766,209.65

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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.