Home / 189,199,028.40-283,798,542.60-185,372,653.20

Finding the Fourth Proportional to 189,199,028.40, 283,798,542.60 and 185,372,653.20

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Solution

The fourth proportional to 189,199,028.40, 283,798,542.60 and 185,372,653.20 is: 278,058,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,199,028.40 : 283,798,542.60 = 185,372,653.20 : x
  2. Step 2: Convert to fraction form
    189,199,028.40/283,798,542.60 = 185,372,653.20/x
  3. Step 3: Cross multiply
    189,199,028.40x = 283,798,542.60 × 185,372,653.20
  4. Step 4: Simplify right side
    189,199,028.40x = 52,608,488,816,055,224
  5. Step 5: Solve for x
    x = 52,608,488,816,055,224/189,199,028.40
  6. Step 6: Final answer
    x = 278,058,979.80

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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.