Home / 87,680,189.40-131,628,111.30-55,332,029.40

Finding the Fourth Proportional to 87,680,189.40, 131,628,111.30 and 55,332,029.40

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Solution

The fourth proportional to 87,680,189.40, 131,628,111.30 and 55,332,029.40 is: 83,066,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,680,189.40 : 131,628,111.30 = 55,332,029.40 : x
  2. Step 2: Convert to fraction form
    87,680,189.40/131,628,111.30 = 55,332,029.40/x
  3. Step 3: Cross multiply
    87,680,189.40x = 131,628,111.30 × 55,332,029.40
  4. Step 4: Simplify right side
    87,680,189.40x = 7,283,250,524,318,072
  5. Step 5: Solve for x
    x = 7,283,250,524,318,072/87,680,189.40
  6. Step 6: Final answer
    x = 83,066,090.23

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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.