Home / 89,328,469.40-134,016,032.10-28,745,653.40

Finding the Fourth Proportional to 89,328,469.40, 134,016,032.10 and 28,745,653.40

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Solution

The fourth proportional to 89,328,469.40, 134,016,032.10 and 28,745,653.40 is: 43,125,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,328,469.40 : 134,016,032.10 = 28,745,653.40 : x
  2. Step 2: Convert to fraction form
    89,328,469.40/134,016,032.10 = 28,745,653.40/x
  3. Step 3: Cross multiply
    89,328,469.40x = 134,016,032.10 × 28,745,653.40
  4. Step 4: Simplify right side
    89,328,469.40x = 3,852,378,408,789,874
  5. Step 5: Solve for x
    x = 3,852,378,408,789,874/89,328,469.40
  6. Step 6: Final answer
    x = 43,125,986.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.