Home / 90,855,844.20-136,233,999.90-36,942,244.20

Finding the Fourth Proportional to 90,855,844.20, 136,233,999.90 and 36,942,244.20

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Solution

The fourth proportional to 90,855,844.20, 136,233,999.90 and 36,942,244.20 is: 55,393,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,855,844.20 : 136,233,999.90 = 36,942,244.20 : x
  2. Step 2: Convert to fraction form
    90,855,844.20/136,233,999.90 = 36,942,244.20/x
  3. Step 3: Cross multiply
    90,855,844.20x = 136,233,999.90 × 36,942,244.20
  4. Step 4: Simplify right side
    90,855,844.20x = 5,032,789,692,648,576
  5. Step 5: Solve for x
    x = 5,032,789,692,648,576/90,855,844.20
  6. Step 6: Final answer
    x = 55,393,131.14

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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.