Home / 193,548,009.20-290,322,013.80-192,204,316.40

Finding the Fourth Proportional to 193,548,009.20, 290,322,013.80 and 192,204,316.40

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Solution

The fourth proportional to 193,548,009.20, 290,322,013.80 and 192,204,316.40 is: 288,306,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548,009.20 : 290,322,013.80 = 192,204,316.40 : x
  2. Step 2: Convert to fraction form
    193,548,009.20/290,322,013.80 = 192,204,316.40/x
  3. Step 3: Cross multiply
    193,548,009.20x = 290,322,013.80 × 192,204,316.40
  4. Step 4: Simplify right side
    193,548,009.20x = 55,801,144,198,300,368
  5. Step 5: Solve for x
    x = 55,801,144,198,300,368/193,548,009.20
  6. Step 6: Final answer
    x = 288,306,474.60

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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.