Home / 217,344,027.15-326,393,954.33-115,307,355.15

Finding the Fourth Proportional to 217,344,027.15, 326,393,954.33 and 115,307,355.15

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Solution

The fourth proportional to 217,344,027.15, 326,393,954.33 and 115,307,355.15 is: 173,161,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,344,027.15 : 326,393,954.33 = 115,307,355.15 : x
  2. Step 2: Convert to fraction form
    217,344,027.15/326,393,954.33 = 115,307,355.15/x
  3. Step 3: Cross multiply
    217,344,027.15x = 326,393,954.33 × 115,307,355.15
  4. Step 4: Simplify right side
    217,344,027.15x = 37,635,623,610,165,656
  5. Step 5: Solve for x
    x = 37,635,623,610,165,656/217,344,027.15
  6. Step 6: Final answer
    x = 173,161,526.93

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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.