Home / 108,485,194.62-149,667,376.04-61,431,466.62

Finding the Fourth Proportional to 108,485,194.62, 149,667,376.04 and 61,431,466.62

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Solution

The fourth proportional to 108,485,194.62, 149,667,376.04 and 61,431,466.62 is: 84,751,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,485,194.62 : 149,667,376.04 = 61,431,466.62 : x
  2. Step 2: Convert to fraction form
    108,485,194.62/149,667,376.04 = 61,431,466.62/x
  3. Step 3: Cross multiply
    108,485,194.62x = 149,667,376.04 × 61,431,466.62
  4. Step 4: Simplify right side
    108,485,194.62x = 9,194,286,415,304,246
  5. Step 5: Solve for x
    x = 9,194,286,415,304,246/108,485,194.62
  6. Step 6: Final answer
    x = 84,751,531.74

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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.