Home / 168,151,431.40-252,227,147.10-90,667,333.60

Finding the Fourth Proportional to 168,151,431.40, 252,227,147.10 and 90,667,333.60

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Solution

The fourth proportional to 168,151,431.40, 252,227,147.10 and 90,667,333.60 is: 136,001,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,431.40 : 252,227,147.10 = 90,667,333.60 : x
  2. Step 2: Convert to fraction form
    168,151,431.40/252,227,147.10 = 90,667,333.60/x
  3. Step 3: Cross multiply
    168,151,431.40x = 252,227,147.10 × 90,667,333.60
  4. Step 4: Simplify right side
    168,151,431.40x = 22,868,762,889,091,972
  5. Step 5: Solve for x
    x = 22,868,762,889,091,972/168,151,431.40
  6. Step 6: Final answer
    x = 136,001,000.40

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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.