Home / 100,471,138.80-150,504,922.56-45,808,531.80

Finding the Fourth Proportional to 100,471,138.80, 150,504,922.56 and 45,808,531.80

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Solution

The fourth proportional to 100,471,138.80, 150,504,922.56 and 45,808,531.80 is: 68,620,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,471,138.80 : 150,504,922.56 = 45,808,531.80 : x
  2. Step 2: Convert to fraction form
    100,471,138.80/150,504,922.56 = 45,808,531.80/x
  3. Step 3: Cross multiply
    100,471,138.80x = 150,504,922.56 × 45,808,531.80
  4. Step 4: Simplify right side
    100,471,138.80x = 6,894,409,531,146,297
  5. Step 5: Solve for x
    x = 6,894,409,531,146,297/100,471,138.80
  6. Step 6: Final answer
    x = 68,620,796.12

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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.