Home / 221,535,769.20-332,303,653.80-106,744,513.20

Finding the Fourth Proportional to 221,535,769.20, 332,303,653.80 and 106,744,513.20

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Solution

The fourth proportional to 221,535,769.20, 332,303,653.80 and 106,744,513.20 is: 160,116,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,535,769.20 : 332,303,653.80 = 106,744,513.20 : x
  2. Step 2: Convert to fraction form
    221,535,769.20/332,303,653.80 = 106,744,513.20/x
  3. Step 3: Cross multiply
    221,535,769.20x = 332,303,653.80 × 106,744,513.20
  4. Step 4: Simplify right side
    221,535,769.20x = 35,471,591,759,462,332
  5. Step 5: Solve for x
    x = 35,471,591,759,462,332/221,535,769.20
  6. Step 6: Final answer
    x = 160,116,769.80

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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.