Home / 168,409,739.54-232,632,910.08-126,907,518.57

Finding the Fourth Proportional to 168,409,739.54, 232,632,910.08 and 126,907,518.57

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Solution

The fourth proportional to 168,409,739.54, 232,632,910.08 and 126,907,518.57 is: 175,303,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,409,739.54 : 232,632,910.08 = 126,907,518.57 : x
  2. Step 2: Convert to fraction form
    168,409,739.54/232,632,910.08 = 126,907,518.57/x
  3. Step 3: Cross multiply
    168,409,739.54x = 232,632,910.08 × 126,907,518.57
  4. Step 4: Simplify right side
    168,409,739.54x = 29,522,865,355,970,740
  5. Step 5: Solve for x
    x = 29,522,865,355,970,740/168,409,739.54
  6. Step 6: Final answer
    x = 175,303,788.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.