Home / 113,040,806.40-169,561,209.60-84,342,992.40

Finding the Fourth Proportional to 113,040,806.40, 169,561,209.60 and 84,342,992.40

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Solution

The fourth proportional to 113,040,806.40, 169,561,209.60 and 84,342,992.40 is: 126,514,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,040,806.40 : 169,561,209.60 = 84,342,992.40 : x
  2. Step 2: Convert to fraction form
    113,040,806.40/169,561,209.60 = 84,342,992.40/x
  3. Step 3: Cross multiply
    113,040,806.40x = 169,561,209.60 × 84,342,992.40
  4. Step 4: Simplify right side
    113,040,806.40x = 14,301,299,812,627,608
  5. Step 5: Solve for x
    x = 14,301,299,812,627,608/113,040,806.40
  6. Step 6: Final answer
    x = 126,514,488.60

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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.