Home / 217,885,450.96-300,672,875.10-118,764,017.56

Finding the Fourth Proportional to 217,885,450.96, 300,672,875.10 and 118,764,017.56

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Solution

The fourth proportional to 217,885,450.96, 300,672,875.10 and 118,764,017.56 is: 163,889,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,885,450.96 : 300,672,875.10 = 118,764,017.56 : x
  2. Step 2: Convert to fraction form
    217,885,450.96/300,672,875.10 = 118,764,017.56/x
  3. Step 3: Cross multiply
    217,885,450.96x = 300,672,875.10 × 118,764,017.56
  4. Step 4: Simplify right side
    217,885,450.96x = 35,709,118,618,192,092
  5. Step 5: Solve for x
    x = 35,709,118,618,192,092/217,885,450.96
  6. Step 6: Final answer
    x = 163,889,412.81

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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.