Home / 204,017,719.44-306,145,129.52-85,833,822.36

Finding the Fourth Proportional to 204,017,719.44, 306,145,129.52 and 85,833,822.36

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Solution

The fourth proportional to 204,017,719.44, 306,145,129.52 and 85,833,822.36 is: 128,800,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,017,719.44 : 306,145,129.52 = 85,833,822.36 : x
  2. Step 2: Convert to fraction form
    204,017,719.44/306,145,129.52 = 85,833,822.36/x
  3. Step 3: Cross multiply
    204,017,719.44x = 306,145,129.52 × 85,833,822.36
  4. Step 4: Simplify right side
    204,017,719.44x = 26,277,606,663,598,872
  5. Step 5: Solve for x
    x = 26,277,606,663,598,872/204,017,719.44
  6. Step 6: Final answer
    x = 128,800,609.75

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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.