Home / 219,180,082.25-302,353,839.34-135,521,470.41

Finding the Fourth Proportional to 219,180,082.25, 302,353,839.34 and 135,521,470.41

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Solution

The fourth proportional to 219,180,082.25, 302,353,839.34 and 135,521,470.41 is: 186,948,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,180,082.25 : 302,353,839.34 = 135,521,470.41 : x
  2. Step 2: Convert to fraction form
    219,180,082.25/302,353,839.34 = 135,521,470.41/x
  3. Step 3: Cross multiply
    219,180,082.25x = 302,353,839.34 × 135,521,470.41
  4. Step 4: Simplify right side
    219,180,082.25x = 40,975,436,890,494,496
  5. Step 5: Solve for x
    x = 40,975,436,890,494,496/219,180,082.25
  6. Step 6: Final answer
    x = 186,948,724.85

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1.5x scale

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.