Home / 90,252,269.24-135,391,258.17-28,008,961.31

Finding the Fourth Proportional to 90,252,269.24, 135,391,258.17 and 28,008,961.31

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Solution

The fourth proportional to 90,252,269.24, 135,391,258.17 and 28,008,961.31 is: 42,017,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,252,269.24 : 135,391,258.17 = 28,008,961.31 : x
  2. Step 2: Convert to fraction form
    90,252,269.24/135,391,258.17 = 28,008,961.31/x
  3. Step 3: Cross multiply
    90,252,269.24x = 135,391,258.17 × 28,008,961.31
  4. Step 4: Simplify right side
    90,252,269.24x = 3,792,168,512,134,229
  5. Step 5: Solve for x
    x = 3,792,168,512,134,229/90,252,269.24
  6. Step 6: Final answer
    x = 42,017,431.19

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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.