Home / 276,599,941.40-381,729,678.40-157,527,568.64

Finding the Fourth Proportional to 276,599,941.40, 381,729,678.40 and 157,527,568.64

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Solution

The fourth proportional to 276,599,941.40, 381,729,678.40 and 157,527,568.64 is: 217,400,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,599,941.40 : 381,729,678.40 = 157,527,568.64 : x
  2. Step 2: Convert to fraction form
    276,599,941.40/381,729,678.40 = 157,527,568.64/x
  3. Step 3: Cross multiply
    276,599,941.40x = 381,729,678.40 × 157,527,568.64
  4. Step 4: Simplify right side
    276,599,941.40x = 60,132,948,116,081,120
  5. Step 5: Solve for x
    x = 60,132,948,116,081,120/276,599,941.40
  6. Step 6: Final answer
    x = 217,400,436.93

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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.