Home / 142,189,361.12-213,292,013.25-39,945,427.22

Finding the Fourth Proportional to 142,189,361.12, 213,292,013.25 and 39,945,427.22

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Solution

The fourth proportional to 142,189,361.12, 213,292,013.25 and 39,945,427.22 is: 59,920,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,189,361.12 : 213,292,013.25 = 39,945,427.22 : x
  2. Step 2: Convert to fraction form
    142,189,361.12/213,292,013.25 = 39,945,427.22/x
  3. Step 3: Cross multiply
    142,189,361.12x = 213,292,013.25 × 39,945,427.22
  4. Step 4: Simplify right side
    142,189,361.12x = 8,520,040,591,885,150
  5. Step 5: Solve for x
    x = 8,520,040,591,885,150/142,189,361.12
  6. Step 6: Final answer
    x = 59,920,380.29

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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.