Home / 61,380,100.40-84,698,508-33,876,257.20

Finding the Fourth Proportional to 61,380,100.40, 84,698,508 and 33,876,257.20

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Solution

The fourth proportional to 61,380,100.40, 84,698,508 and 33,876,257.20 is: 46,745,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,380,100.40 : 84,698,508 = 33,876,257.20 : x
  2. Step 2: Convert to fraction form
    61,380,100.40/84,698,508 = 33,876,257.20/x
  3. Step 3: Cross multiply
    61,380,100.40x = 84,698,508 × 33,876,257.20
  4. Step 4: Simplify right side
    61,380,100.40x = 2,869,268,441,464,258
  5. Step 5: Solve for x
    x = 2,869,268,441,464,258/61,380,100.40
  6. Step 6: Final answer
    x = 46,745,906.62

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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.