Home / 345,451,949.67-518,268,810.80-124,145,647.10

Finding the Fourth Proportional to 345,451,949.67, 518,268,810.80 and 124,145,647.10

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Solution

The fourth proportional to 345,451,949.67, 518,268,810.80 and 124,145,647.10 is: 186,251,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,451,949.67 : 518,268,810.80 = 124,145,647.10 : x
  2. Step 2: Convert to fraction form
    345,451,949.67/518,268,810.80 = 124,145,647.10/x
  3. Step 3: Cross multiply
    345,451,949.67x = 518,268,810.80 × 124,145,647.10
  4. Step 4: Simplify right side
    345,451,949.67x = 64,340,816,888,513,464
  5. Step 5: Solve for x
    x = 64,340,816,888,513,464/345,451,949.67
  6. Step 6: Final answer
    x = 186,251,132.61

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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.