Home / 221,433,999.30-332,150,998.95-209,596,151.03

Finding the Fourth Proportional to 221,433,999.30, 332,150,998.95 and 209,596,151.03

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Solution

The fourth proportional to 221,433,999.30, 332,150,998.95 and 209,596,151.03 is: 314,394,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,999.30 : 332,150,998.95 = 209,596,151.03 : x
  2. Step 2: Convert to fraction form
    221,433,999.30/332,150,998.95 = 209,596,151.03/x
  3. Step 3: Cross multiply
    221,433,999.30x = 332,150,998.95 × 209,596,151.03
  4. Step 4: Simplify right side
    221,433,999.30x = 69,617,570,939,028,816
  5. Step 5: Solve for x
    x = 69,617,570,939,028,816/221,433,999.30
  6. Step 6: Final answer
    x = 314,394,226.54

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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.