Home / 112,542,428.64-155,305,215.12-62,308,885.44

Finding the Fourth Proportional to 112,542,428.64, 155,305,215.12 and 62,308,885.44

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Solution

The fourth proportional to 112,542,428.64, 155,305,215.12 and 62,308,885.44 is: 85,984,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542,428.64 : 155,305,215.12 = 62,308,885.44 : x
  2. Step 2: Convert to fraction form
    112,542,428.64/155,305,215.12 = 62,308,885.44/x
  3. Step 3: Cross multiply
    112,542,428.64x = 155,305,215.12 × 62,308,885.44
  4. Step 4: Simplify right side
    112,542,428.64x = 9,676,894,857,146,636
  5. Step 5: Solve for x
    x = 9,676,894,857,146,636/112,542,428.64
  6. Step 6: Final answer
    x = 85,984,414.71

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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.