Home / 218,628,077.40-327,942,116.10-89,192,669.40

Finding the Fourth Proportional to 218,628,077.40, 327,942,116.10 and 89,192,669.40

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Solution

The fourth proportional to 218,628,077.40, 327,942,116.10 and 89,192,669.40 is: 133,789,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,628,077.40 : 327,942,116.10 = 89,192,669.40 : x
  2. Step 2: Convert to fraction form
    218,628,077.40/327,942,116.10 = 89,192,669.40/x
  3. Step 3: Cross multiply
    218,628,077.40x = 327,942,116.10 × 89,192,669.40
  4. Step 4: Simplify right side
    218,628,077.40x = 29,250,032,743,643,720
  5. Step 5: Solve for x
    x = 29,250,032,743,643,720/218,628,077.40
  6. Step 6: Final answer
    x = 133,789,004.10

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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.