Home / 136,242,362.80-204,396,086.76-45,366,739.12

Finding the Fourth Proportional to 136,242,362.80, 204,396,086.76 and 45,366,739.12

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Solution

The fourth proportional to 136,242,362.80, 204,396,086.76 and 45,366,739.12 is: 68,060,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,242,362.80 : 204,396,086.76 = 45,366,739.12 : x
  2. Step 2: Convert to fraction form
    136,242,362.80/204,396,086.76 = 45,366,739.12/x
  3. Step 3: Cross multiply
    136,242,362.80x = 204,396,086.76 × 45,366,739.12
  4. Step 4: Simplify right side
    136,242,362.80x = 9,272,783,945,189,806
  5. Step 5: Solve for x
    x = 9,272,783,945,189,806/136,242,362.80
  6. Step 6: Final answer
    x = 68,060,944.88

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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.