Home / 111,247,863.40-166,942,653.90-65,189,643.40

Finding the Fourth Proportional to 111,247,863.40, 166,942,653.90 and 65,189,643.40

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Solution

The fourth proportional to 111,247,863.40, 166,942,653.90 and 65,189,643.40 is: 97,825,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,247,863.40 : 166,942,653.90 = 65,189,643.40 : x
  2. Step 2: Convert to fraction form
    111,247,863.40/166,942,653.90 = 65,189,643.40/x
  3. Step 3: Cross multiply
    111,247,863.40x = 166,942,653.90 × 65,189,643.40
  4. Step 4: Simplify right side
    111,247,863.40x = 10,882,932,075,990,620
  5. Step 5: Solve for x
    x = 10,882,932,075,990,620/111,247,863.40
  6. Step 6: Final answer
    x = 97,825,987.33

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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.