Home / 121,452,321.15-182,178,481.73-109,736,999.55

Finding the Fourth Proportional to 121,452,321.15, 182,178,481.73 and 109,736,999.55

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Solution

The fourth proportional to 121,452,321.15, 182,178,481.73 and 109,736,999.55 is: 164,605,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,452,321.15 : 182,178,481.73 = 109,736,999.55 : x
  2. Step 2: Convert to fraction form
    121,452,321.15/182,178,481.73 = 109,736,999.55/x
  3. Step 3: Cross multiply
    121,452,321.15x = 182,178,481.73 × 109,736,999.55
  4. Step 4: Simplify right side
    121,452,321.15x = 19,991,719,967,076,008
  5. Step 5: Solve for x
    x = 19,991,719,967,076,008/121,452,321.15
  6. Step 6: Final answer
    x = 164,605,499.33

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1.5x scale

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.