Home / 78,558,680.10-108,414,342.06-43,751,370.36

Finding the Fourth Proportional to 78,558,680.10, 108,414,342.06 and 43,751,370.36

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Solution

The fourth proportional to 78,558,680.10, 108,414,342.06 and 43,751,370.36 is: 60,378,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,558,680.10 : 108,414,342.06 = 43,751,370.36 : x
  2. Step 2: Convert to fraction form
    78,558,680.10/108,414,342.06 = 43,751,370.36/x
  3. Step 3: Cross multiply
    78,558,680.10x = 108,414,342.06 × 43,751,370.36
  4. Step 4: Simplify right side
    78,558,680.10x = 4,743,276,031,802,785
  5. Step 5: Solve for x
    x = 4,743,276,031,802,785/78,558,680.10
  6. Step 6: Final answer
    x = 60,378,764.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.