Home / 168,151,433.90-252,227,150.85-90,667,336.10

Finding the Fourth Proportional to 168,151,433.90, 252,227,150.85 and 90,667,336.10

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Solution

The fourth proportional to 168,151,433.90, 252,227,150.85 and 90,667,336.10 is: 136,001,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,433.90 : 252,227,150.85 = 90,667,336.10 : x
  2. Step 2: Convert to fraction form
    168,151,433.90/252,227,150.85 = 90,667,336.10/x
  3. Step 3: Cross multiply
    168,151,433.90x = 252,227,150.85 × 90,667,336.10
  4. Step 4: Simplify right side
    168,151,433.90x = 22,868,763,859,662,348
  5. Step 5: Solve for x
    x = 22,868,763,859,662,348/168,151,433.90
  6. Step 6: Final answer
    x = 136,001,004.15

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1.5x scale

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.