Home / 66,228,327.81-99,334,923.91-17,709,964.56

Finding the Fourth Proportional to 66,228,327.81, 99,334,923.91 and 17,709,964.56

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Solution

The fourth proportional to 66,228,327.81, 99,334,923.91 and 17,709,964.56 is: 26,562,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228,327.81 : 99,334,923.91 = 17,709,964.56 : x
  2. Step 2: Convert to fraction form
    66,228,327.81/99,334,923.91 = 17,709,964.56/x
  3. Step 3: Cross multiply
    66,228,327.81x = 99,334,923.91 × 17,709,964.56
  4. Step 4: Simplify right side
    66,228,327.81x = 1,759,217,981,972,121.50
  5. Step 5: Solve for x
    x = 1,759,217,981,972,121.50/66,228,327.81
  6. Step 6: Final answer
    x = 26,562,923.15

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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.