Home / 168,151,435.40-252,227,153.10-90,667,337.60

Finding the Fourth Proportional to 168,151,435.40, 252,227,153.10 and 90,667,337.60

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Solution

The fourth proportional to 168,151,435.40, 252,227,153.10 and 90,667,337.60 is: 136,001,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,435.40 : 252,227,153.10 = 90,667,337.60 : x
  2. Step 2: Convert to fraction form
    168,151,435.40/252,227,153.10 = 90,667,337.60/x
  3. Step 3: Cross multiply
    168,151,435.40x = 252,227,153.10 × 90,667,337.60
  4. Step 4: Simplify right side
    168,151,435.40x = 22,868,764,442,004,584
  5. Step 5: Solve for x
    x = 22,868,764,442,004,584/168,151,435.40
  6. Step 6: Final answer
    x = 136,001,006.40

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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.