Home / 108,612,512.97-149,890,392.12-61,570,498.19

Finding the Fourth Proportional to 108,612,512.97, 149,890,392.12 and 61,570,498.19

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Solution

The fourth proportional to 108,612,512.97, 149,890,392.12 and 61,570,498.19 is: 84,970,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612,512.97 : 149,890,392.12 = 61,570,498.19 : x
  2. Step 2: Convert to fraction form
    108,612,512.97/149,890,392.12 = 61,570,498.19/x
  3. Step 3: Cross multiply
    108,612,512.97x = 149,890,392.12 × 61,570,498.19
  4. Step 4: Simplify right side
    108,612,512.97x = 9,228,826,115,665,546
  5. Step 5: Solve for x
    x = 9,228,826,115,665,546/108,612,512.97
  6. Step 6: Final answer
    x = 84,970,192.32

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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.