Home / 386,900,205.62-580,439,964.64-110,555,019.05

Finding the Fourth Proportional to 386,900,205.62, 580,439,964.64 and 110,555,019.05

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Solution

The fourth proportional to 386,900,205.62, 580,439,964.64 and 110,555,019.05 is: 165,858,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,900,205.62 : 580,439,964.64 = 110,555,019.05 : x
  2. Step 2: Convert to fraction form
    386,900,205.62/580,439,964.64 = 110,555,019.05/x
  3. Step 3: Cross multiply
    386,900,205.62x = 580,439,964.64 × 110,555,019.05
  4. Step 4: Simplify right side
    386,900,205.62x = 64,170,551,345,182,472
  5. Step 5: Solve for x
    x = 64,170,551,345,182,472/386,900,205.62
  6. Step 6: Final answer
    x = 165,858,147.43

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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.