Home / 191,474,227.72-287,169,351.18-55,129,999.24

Finding the Fourth Proportional to 191,474,227.72, 287,169,351.18 and 55,129,999.24

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Solution

The fourth proportional to 191,474,227.72, 287,169,351.18 and 55,129,999.24 is: 82,682,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,474,227.72 : 287,169,351.18 = 55,129,999.24 : x
  2. Step 2: Convert to fraction form
    191,474,227.72/287,169,351.18 = 55,129,999.24/x
  3. Step 3: Cross multiply
    191,474,227.72x = 287,169,351.18 × 55,129,999.24
  4. Step 4: Simplify right side
    191,474,227.72x = 15,831,646,112,304,694
  5. Step 5: Solve for x
    x = 15,831,646,112,304,694/191,474,227.72
  6. Step 6: Final answer
    x = 82,682,908.82

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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.