Home / 100,132,137.54-138,166,565.94-58,323,083.58

Finding the Fourth Proportional to 100,132,137.54, 138,166,565.94 and 58,323,083.58

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Solution

The fourth proportional to 100,132,137.54, 138,166,565.94 and 58,323,083.58 is: 80,476,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,132,137.54 : 138,166,565.94 = 58,323,083.58 : x
  2. Step 2: Convert to fraction form
    100,132,137.54/138,166,565.94 = 58,323,083.58/x
  3. Step 3: Cross multiply
    100,132,137.54x = 138,166,565.94 × 58,323,083.58
  4. Step 4: Simplify right side
    100,132,137.54x = 8,058,300,173,280,201
  5. Step 5: Solve for x
    x = 8,058,300,173,280,201/100,132,137.54
  6. Step 6: Final answer
    x = 80,476,661.85

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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.