Home / 84,019,019.54-126,028,550.91-26,515,791.14

Finding the Fourth Proportional to 84,019,019.54, 126,028,550.91 and 26,515,791.14

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Solution

The fourth proportional to 84,019,019.54, 126,028,550.91 and 26,515,791.14 is: 39,773,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019,019.54 : 126,028,550.91 = 26,515,791.14 : x
  2. Step 2: Convert to fraction form
    84,019,019.54/126,028,550.91 = 26,515,791.14/x
  3. Step 3: Cross multiply
    84,019,019.54x = 126,028,550.91 × 26,515,791.14
  4. Step 4: Simplify right side
    84,019,019.54x = 3,341,746,733,606,417
  5. Step 5: Solve for x
    x = 3,341,746,733,606,417/84,019,019.54
  6. Step 6: Final answer
    x = 39,773,693.53

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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.