Home / 230,975,297.72-318,667,441.29-131,784,787.52

Finding the Fourth Proportional to 230,975,297.72, 318,667,441.29 and 131,784,787.52

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Solution

The fourth proportional to 230,975,297.72, 318,667,441.29 and 131,784,787.52 is: 181,818,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,975,297.72 : 318,667,441.29 = 131,784,787.52 : x
  2. Step 2: Convert to fraction form
    230,975,297.72/318,667,441.29 = 131,784,787.52/x
  3. Step 3: Cross multiply
    230,975,297.72x = 318,667,441.29 × 131,784,787.52
  4. Step 4: Simplify right side
    230,975,297.72x = 41,995,521,039,795,464
  5. Step 5: Solve for x
    x = 41,995,521,039,795,464/230,975,297.72
  6. Step 6: Final answer
    x = 181,818,235.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.