Home / 217,885,449.96-300,672,873.72-118,764,016.56

Finding the Fourth Proportional to 217,885,449.96, 300,672,873.72 and 118,764,016.56

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Solution

The fourth proportional to 217,885,449.96, 300,672,873.72 and 118,764,016.56 is: 163,889,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,885,449.96 : 300,672,873.72 = 118,764,016.56 : x
  2. Step 2: Convert to fraction form
    217,885,449.96/300,672,873.72 = 118,764,016.56/x
  3. Step 3: Cross multiply
    217,885,449.96x = 300,672,873.72 × 118,764,016.56
  4. Step 4: Simplify right side
    217,885,449.96x = 35,709,118,153,624,872
  5. Step 5: Solve for x
    x = 35,709,118,153,624,872/217,885,449.96
  6. Step 6: Final answer
    x = 163,889,411.43

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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.