Home / 191,474,223.36-287,169,344.61-55,129,994.88

Finding the Fourth Proportional to 191,474,223.36, 287,169,344.61 and 55,129,994.88

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Solution

The fourth proportional to 191,474,223.36, 287,169,344.61 and 55,129,994.88 is: 82,682,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,474,223.36 : 287,169,344.61 = 55,129,994.88 : x
  2. Step 2: Convert to fraction form
    191,474,223.36/287,169,344.61 = 55,129,994.88/x
  3. Step 3: Cross multiply
    191,474,223.36x = 287,169,344.61 × 55,129,994.88
  4. Step 4: Simplify right side
    191,474,223.36x = 15,831,644,498,042,258
  5. Step 5: Solve for x
    x = 15,831,644,498,042,258/191,474,223.36
  6. Step 6: Final answer
    x = 82,682,902.27

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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.