Home / 168,151,430.40-252,227,145.60-90,667,332.60

Finding the Fourth Proportional to 168,151,430.40, 252,227,145.60 and 90,667,332.60

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Solution

The fourth proportional to 168,151,430.40, 252,227,145.60 and 90,667,332.60 is: 136,000,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,430.40 : 252,227,145.60 = 90,667,332.60 : x
  2. Step 2: Convert to fraction form
    168,151,430.40/252,227,145.60 = 90,667,332.60/x
  3. Step 3: Cross multiply
    168,151,430.40x = 252,227,145.60 × 90,667,332.60
  4. Step 4: Simplify right side
    168,151,430.40x = 22,868,762,500,863,824
  5. Step 5: Solve for x
    x = 22,868,762,500,863,824/168,151,430.40
  6. Step 6: Final answer
    x = 136,000,998.90

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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.