Home / 193,471,268.20-290,206,902.30-155,207,516.20

Finding the Fourth Proportional to 193,471,268.20, 290,206,902.30 and 155,207,516.20

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Solution

The fourth proportional to 193,471,268.20, 290,206,902.30 and 155,207,516.20 is: 232,811,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,471,268.20 : 290,206,902.30 = 155,207,516.20 : x
  2. Step 2: Convert to fraction form
    193,471,268.20/290,206,902.30 = 155,207,516.20/x
  3. Step 3: Cross multiply
    193,471,268.20x = 290,206,902.30 × 155,207,516.20
  4. Step 4: Simplify right side
    193,471,268.20x = 45,042,292,490,079,064
  5. Step 5: Solve for x
    x = 45,042,292,490,079,064/193,471,268.20
  6. Step 6: Final answer
    x = 232,811,274.30

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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.