Home / 112,154,923.20-168,106,413.60-47,447,716.80

Finding the Fourth Proportional to 112,154,923.20, 168,106,413.60 and 47,447,716.80

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Solution

The fourth proportional to 112,154,923.20, 168,106,413.60 and 47,447,716.80 is: 71,118,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154,923.20 : 168,106,413.60 = 47,447,716.80 : x
  2. Step 2: Convert to fraction form
    112,154,923.20/168,106,413.60 = 47,447,716.80/x
  3. Step 3: Cross multiply
    112,154,923.20x = 168,106,413.60 × 47,447,716.80
  4. Step 4: Simplify right side
    112,154,923.20x = 7,976,265,504,756,468
  5. Step 5: Solve for x
    x = 7,976,265,504,756,468/112,154,923.20
  6. Step 6: Final answer
    x = 71,118,282.44

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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.