Home / 168,146,702.15-252,292,867.98-90,332,815.70

Finding the Fourth Proportional to 168,146,702.15, 252,292,867.98 and 90,332,815.70

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Solution

The fourth proportional to 168,146,702.15, 252,292,867.98 and 90,332,815.70 is: 135,538,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,702.15 : 252,292,867.98 = 90,332,815.70 : x
  2. Step 2: Convert to fraction form
    168,146,702.15/252,292,867.98 = 90,332,815.70/x
  3. Step 3: Cross multiply
    168,146,702.15x = 252,292,867.98 × 90,332,815.70
  4. Step 4: Simplify right side
    168,146,702.15x = 22,790,325,145,661,772
  5. Step 5: Solve for x
    x = 22,790,325,145,661,772/168,146,702.15
  6. Step 6: Final answer
    x = 135,538,341.54

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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.