Home / 111,138,665.60-166,707,998.40-30,359,633.60

Finding the Fourth Proportional to 111,138,665.60, 166,707,998.40 and 30,359,633.60

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Solution

The fourth proportional to 111,138,665.60, 166,707,998.40 and 30,359,633.60 is: 45,539,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,138,665.60 : 166,707,998.40 = 30,359,633.60 : x
  2. Step 2: Convert to fraction form
    111,138,665.60/166,707,998.40 = 30,359,633.60/x
  3. Step 3: Cross multiply
    111,138,665.60x = 166,707,998.40 × 30,359,633.60
  4. Step 4: Simplify right side
    111,138,665.60x = 5,061,193,749,613,387
  5. Step 5: Solve for x
    x = 5,061,193,749,613,387/111,138,665.60
  6. Step 6: Final answer
    x = 45,539,450.40

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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.