Home / 199,334,470.80-298,942,723.80-78,096,147.60

Finding the Fourth Proportional to 199,334,470.80, 298,942,723.80 and 78,096,147.60

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Solution

The fourth proportional to 199,334,470.80, 298,942,723.80 and 78,096,147.60 is: 117,121,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,334,470.80 : 298,942,723.80 = 78,096,147.60 : x
  2. Step 2: Convert to fraction form
    199,334,470.80/298,942,723.80 = 78,096,147.60/x
  3. Step 3: Cross multiply
    199,334,470.80x = 298,942,723.80 × 78,096,147.60
  4. Step 4: Simplify right side
    199,334,470.80x = 23,346,275,081,830,832
  5. Step 5: Solve for x
    x = 23,346,275,081,830,832/199,334,470.80
  6. Step 6: Final answer
    x = 117,121,113.01

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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.