Home / 199,173,845.40-298,760,768.10-181,317,427.80

Finding the Fourth Proportional to 199,173,845.40, 298,760,768.10 and 181,317,427.80

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Solution

The fourth proportional to 199,173,845.40, 298,760,768.10 and 181,317,427.80 is: 271,976,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,173,845.40 : 298,760,768.10 = 181,317,427.80 : x
  2. Step 2: Convert to fraction form
    199,173,845.40/298,760,768.10 = 181,317,427.80/x
  3. Step 3: Cross multiply
    199,173,845.40x = 298,760,768.10 × 181,317,427.80
  4. Step 4: Simplify right side
    199,173,845.40x = 54,170,533,999,444,304
  5. Step 5: Solve for x
    x = 54,170,533,999,444,304/199,173,845.40
  6. Step 6: Final answer
    x = 271,976,141.70

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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.