Home / 300,923,933.29-451,528,544.80-145,390,555.73

Finding the Fourth Proportional to 300,923,933.29, 451,528,544.80 and 145,390,555.73

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Solution

The fourth proportional to 300,923,933.29, 451,528,544.80 and 145,390,555.73 is: 218,154,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,923,933.29 : 451,528,544.80 = 145,390,555.73 : x
  2. Step 2: Convert to fraction form
    300,923,933.29/451,528,544.80 = 145,390,555.73/x
  3. Step 3: Cross multiply
    300,923,933.29x = 451,528,544.80 × 145,390,555.73
  4. Step 4: Simplify right side
    300,923,933.29x = 65,647,986,056,922,208
  5. Step 5: Solve for x
    x = 65,647,986,056,922,208/300,923,933.29
  6. Step 6: Final answer
    x = 218,154,752.07

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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.