Home / 78,761,351.47-108,692,404.93-43,479,073.01

Finding the Fourth Proportional to 78,761,351.47, 108,692,404.93 and 43,479,073.01

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Solution

The fourth proportional to 78,761,351.47, 108,692,404.93 and 43,479,073.01 is: 60,002,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,761,351.47 : 108,692,404.93 = 43,479,073.01 : x
  2. Step 2: Convert to fraction form
    78,761,351.47/108,692,404.93 = 43,479,073.01/x
  3. Step 3: Cross multiply
    78,761,351.47x = 108,692,404.93 × 43,479,073.01
  4. Step 4: Simplify right side
    78,761,351.47x = 4,725,845,009,040,493
  5. Step 5: Solve for x
    x = 4,725,845,009,040,493/78,761,351.47
  6. Step 6: Final answer
    x = 60,002,081.24

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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.