Home / 219,491,861.46-329,106,304.45-69,861,693.18

Finding the Fourth Proportional to 219,491,861.46, 329,106,304.45 and 69,861,693.18

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Solution

The fourth proportional to 219,491,861.46, 329,106,304.45 and 69,861,693.18 is: 104,750,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,491,861.46 : 329,106,304.45 = 69,861,693.18 : x
  2. Step 2: Convert to fraction form
    219,491,861.46/329,106,304.45 = 69,861,693.18/x
  3. Step 3: Cross multiply
    219,491,861.46x = 329,106,304.45 × 69,861,693.18
  4. Step 4: Simplify right side
    219,491,861.46x = 22,991,923,665,089,572
  5. Step 5: Solve for x
    x = 22,991,923,665,089,572/219,491,861.46
  6. Step 6: Final answer
    x = 104,750,688.76

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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.