Home / 223,112,335.79-333,641,121.26-212,228,424.11

Finding the Fourth Proportional to 223,112,335.79, 333,641,121.26 and 212,228,424.11

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Solution

The fourth proportional to 223,112,335.79, 333,641,121.26 and 212,228,424.11 is: 317,365,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,112,335.79 : 333,641,121.26 = 212,228,424.11 : x
  2. Step 2: Convert to fraction form
    223,112,335.79/333,641,121.26 = 212,228,424.11/x
  3. Step 3: Cross multiply
    223,112,335.79x = 333,641,121.26 × 212,228,424.11
  4. Step 4: Simplify right side
    223,112,335.79x = 70,808,129,380,573,864
  5. Step 5: Solve for x
    x = 70,808,129,380,573,864/223,112,335.79
  6. Step 6: Final answer
    x = 317,365,371.71

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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.