Home / 274,192,958.21-378,386,282.33-156,720,810.73

Finding the Fourth Proportional to 274,192,958.21, 378,386,282.33 and 156,720,810.73

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Solution

The fourth proportional to 274,192,958.21, 378,386,282.33 and 156,720,810.73 is: 216,274,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,958.21 : 378,386,282.33 = 156,720,810.73 : x
  2. Step 2: Convert to fraction form
    274,192,958.21/378,386,282.33 = 156,720,810.73/x
  3. Step 3: Cross multiply
    274,192,958.21x = 378,386,282.33 × 156,720,810.73
  4. Step 4: Simplify right side
    274,192,958.21x = 59,301,004,935,868,264
  5. Step 5: Solve for x
    x = 59,301,004,935,868,264/274,192,958.21
  6. Step 6: Final answer
    x = 216,274,718.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.