Home / 193,545,739.20-290,318,608.80-192,202,046.40

Finding the Fourth Proportional to 193,545,739.20, 290,318,608.80 and 192,202,046.40

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Solution

The fourth proportional to 193,545,739.20, 290,318,608.80 and 192,202,046.40 is: 288,303,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,545,739.20 : 290,318,608.80 = 192,202,046.40 : x
  2. Step 2: Convert to fraction form
    193,545,739.20/290,318,608.80 = 192,202,046.40/x
  3. Step 3: Cross multiply
    193,545,739.20x = 290,318,608.80 × 192,202,046.40
  4. Step 4: Simplify right side
    193,545,739.20x = 55,799,830,719,361,056
  5. Step 5: Solve for x
    x = 55,799,830,719,361,056/193,545,739.20
  6. Step 6: Final answer
    x = 288,303,069.60

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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.