Home / 66,827,433-100,241,228.78-18,305,705.13

Finding the Fourth Proportional to 66,827,433, 100,241,228.78 and 18,305,705.13

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Solution

The fourth proportional to 66,827,433, 100,241,228.78 and 18,305,705.13 is: 27,458,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827,433 : 100,241,228.78 = 18,305,705.13 : x
  2. Step 2: Convert to fraction form
    66,827,433/100,241,228.78 = 18,305,705.13/x
  3. Step 3: Cross multiply
    66,827,433x = 100,241,228.78 × 18,305,705.13
  4. Step 4: Simplify right side
    66,827,433x = 1,834,986,375,824,021
  5. Step 5: Solve for x
    x = 1,834,986,375,824,021/66,827,433
  6. Step 6: Final answer
    x = 27,458,579.41

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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.