Home / 193,543,415.70-289,916,992.35-133,027,473.30

Finding the Fourth Proportional to 193,543,415.70, 289,916,992.35 and 133,027,473.30

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Solution

The fourth proportional to 193,543,415.70, 289,916,992.35 and 133,027,473.30 is: 199,267,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,415.70 : 289,916,992.35 = 133,027,473.30 : x
  2. Step 2: Convert to fraction form
    193,543,415.70/289,916,992.35 = 133,027,473.30/x
  3. Step 3: Cross multiply
    193,543,415.70x = 289,916,992.35 × 133,027,473.30
  4. Step 4: Simplify right side
    193,543,415.70x = 38,566,924,959,055,928
  5. Step 5: Solve for x
    x = 38,566,924,959,055,928/193,543,415.70
  6. Step 6: Final answer
    x = 199,267,563.92

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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.