Home / 221,183,999.60-331,775,999.40-202,372,300.40

Finding the Fourth Proportional to 221,183,999.60, 331,775,999.40 and 202,372,300.40

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Solution

The fourth proportional to 221,183,999.60, 331,775,999.40 and 202,372,300.40 is: 303,558,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,183,999.60 : 331,775,999.40 = 202,372,300.40 : x
  2. Step 2: Convert to fraction form
    221,183,999.60/331,775,999.40 = 202,372,300.40/x
  3. Step 3: Cross multiply
    221,183,999.60x = 331,775,999.40 × 202,372,300.40
  4. Step 4: Simplify right side
    221,183,999.60x = 67,142,272,216,087,016
  5. Step 5: Solve for x
    x = 67,142,272,216,087,016/221,183,999.60
  6. Step 6: Final answer
    x = 303,558,450.60

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1.5x scale

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.