Home / 378,979,993.42-568,524,217.32-116,686,737.16

Finding the Fourth Proportional to 378,979,993.42, 568,524,217.32 and 116,686,737.16

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Solution

The fourth proportional to 378,979,993.42, 568,524,217.32 and 116,686,737.16 is: 175,046,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,979,993.42 : 568,524,217.32 = 116,686,737.16 : x
  2. Step 2: Convert to fraction form
    378,979,993.42/568,524,217.32 = 116,686,737.16/x
  3. Step 3: Cross multiply
    378,979,993.42x = 568,524,217.32 × 116,686,737.16
  4. Step 4: Simplify right side
    378,979,993.42x = 66,339,235,915,513,560
  5. Step 5: Solve for x
    x = 66,339,235,915,513,560/378,979,993.42
  6. Step 6: Final answer
    x = 175,046,802.12

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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.