Home / 119,894,745.78-165,458,761.16-73,476,035.28

Finding the Fourth Proportional to 119,894,745.78, 165,458,761.16 and 73,476,035.28

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Solution

The fourth proportional to 119,894,745.78, 165,458,761.16 and 73,476,035.28 is: 101,399,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894,745.78 : 165,458,761.16 = 73,476,035.28 : x
  2. Step 2: Convert to fraction form
    119,894,745.78/165,458,761.16 = 73,476,035.28/x
  3. Step 3: Cross multiply
    119,894,745.78x = 165,458,761.16 × 73,476,035.28
  4. Step 4: Simplify right side
    119,894,745.78x = 12,157,253,772,009,874
  5. Step 5: Solve for x
    x = 12,157,253,772,009,874/119,894,745.78
  6. Step 6: Final answer
    x = 101,399,387.38

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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.