Home / 168,151,206.90-252,226,810.35-90,667,109.10

Finding the Fourth Proportional to 168,151,206.90, 252,226,810.35 and 90,667,109.10

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Solution

The fourth proportional to 168,151,206.90, 252,226,810.35 and 90,667,109.10 is: 136,000,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,206.90 : 252,226,810.35 = 90,667,109.10 : x
  2. Step 2: Convert to fraction form
    168,151,206.90/252,226,810.35 = 90,667,109.10/x
  3. Step 3: Cross multiply
    168,151,206.90x = 252,226,810.35 × 90,667,109.10
  4. Step 4: Simplify right side
    168,151,206.90x = 22,868,675,731,948,456
  5. Step 5: Solve for x
    x = 22,868,675,731,948,456/168,151,206.90
  6. Step 6: Final answer
    x = 136,000,663.65

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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.