Home / 84,342,458.57-126,530,943.06-29,003,106.39

Finding the Fourth Proportional to 84,342,458.57, 126,530,943.06 and 29,003,106.39

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Solution

The fourth proportional to 84,342,458.57, 126,530,943.06 and 29,003,106.39 is: 43,510,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,342,458.57 : 126,530,943.06 = 29,003,106.39 : x
  2. Step 2: Convert to fraction form
    84,342,458.57/126,530,943.06 = 29,003,106.39/x
  3. Step 3: Cross multiply
    84,342,458.57x = 126,530,943.06 × 29,003,106.39
  4. Step 4: Simplify right side
    84,342,458.57x = 3,669,790,403,378,805.50
  5. Step 5: Solve for x
    x = 3,669,790,403,378,805.50/84,342,458.57
  6. Step 6: Final answer
    x = 43,510,593.19

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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.