Home / 345,449,505.27-518,265,119.55-124,143,202.71

Finding the Fourth Proportional to 345,449,505.27, 518,265,119.55 and 124,143,202.71

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Solution

The fourth proportional to 345,449,505.27, 518,265,119.55 and 124,143,202.71 is: 186,247,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,449,505.27 : 518,265,119.55 = 124,143,202.71 : x
  2. Step 2: Convert to fraction form
    345,449,505.27/518,265,119.55 = 124,143,202.71/x
  3. Step 3: Cross multiply
    345,449,505.27x = 518,265,119.55 × 124,143,202.71
  4. Step 4: Simplify right side
    345,449,505.27x = 64,339,091,793,818,032
  5. Step 5: Solve for x
    x = 64,339,091,793,818,032/345,449,505.27
  6. Step 6: Final answer
    x = 186,247,456.76

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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.