Home / 221,433,967.80-332,150,951.70-209,596,119.52

Finding the Fourth Proportional to 221,433,967.80, 332,150,951.70 and 209,596,119.52

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Solution

The fourth proportional to 221,433,967.80, 332,150,951.70 and 209,596,119.52 is: 314,394,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,967.80 : 332,150,951.70 = 209,596,119.52 : x
  2. Step 2: Convert to fraction form
    221,433,967.80/332,150,951.70 = 209,596,119.52/x
  3. Step 3: Cross multiply
    221,433,967.80x = 332,150,951.70 × 209,596,119.52
  4. Step 4: Simplify right side
    221,433,967.80x = 69,617,550,571,194,952
  5. Step 5: Solve for x
    x = 69,617,550,571,194,952/221,433,967.80
  6. Step 6: Final answer
    x = 314,394,179.28

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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.