Home / 168,188,413.60-252,235,381.20-53,208,200.80

Finding the Fourth Proportional to 168,188,413.60, 252,235,381.20 and 53,208,200.80

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Solution

The fourth proportional to 168,188,413.60, 252,235,381.20 and 53,208,200.80 is: 79,797,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188,413.60 : 252,235,381.20 = 53,208,200.80 : x
  2. Step 2: Convert to fraction form
    168,188,413.60/252,235,381.20 = 53,208,200.80/x
  3. Step 3: Cross multiply
    168,188,413.60x = 252,235,381.20 × 53,208,200.80
  4. Step 4: Simplify right side
    168,188,413.60x = 13,420,990,811,754,144
  5. Step 5: Solve for x
    x = 13,420,990,811,754,144/168,188,413.60
  6. Step 6: Final answer
    x = 79,797,356.57

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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.