Home / 217,631,041.65-326,021,409.68-131,112,446.85

Finding the Fourth Proportional to 217,631,041.65, 326,021,409.68 and 131,112,446.85

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Solution

The fourth proportional to 217,631,041.65, 326,021,409.68 and 131,112,446.85 is: 196,412,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,631,041.65 : 326,021,409.68 = 131,112,446.85 : x
  2. Step 2: Convert to fraction form
    217,631,041.65/326,021,409.68 = 131,112,446.85/x
  3. Step 3: Cross multiply
    217,631,041.65x = 326,021,409.68 × 131,112,446.85
  4. Step 4: Simplify right side
    217,631,041.65x = 42,745,464,747,975,512
  5. Step 5: Solve for x
    x = 42,745,464,747,975,512/217,631,041.65
  6. Step 6: Final answer
    x = 196,412,535.75

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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.