Home / 216,371,017.64-323,780,719.26-187,324,767.56

Finding the Fourth Proportional to 216,371,017.64, 323,780,719.26 and 187,324,767.56

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Solution

The fourth proportional to 216,371,017.64, 323,780,719.26 and 187,324,767.56 is: 280,315,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,371,017.64 : 323,780,719.26 = 187,324,767.56 : x
  2. Step 2: Convert to fraction form
    216,371,017.64/323,780,719.26 = 187,324,767.56/x
  3. Step 3: Cross multiply
    216,371,017.64x = 323,780,719.26 × 187,324,767.56
  4. Step 4: Simplify right side
    216,371,017.64x = 60,652,147,975,789,112
  5. Step 5: Solve for x
    x = 60,652,147,975,789,112/216,371,017.64
  6. Step 6: Final answer
    x = 280,315,490.67

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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.