Home / 142,189,360.93-213,292,012.97-39,945,427.03

Finding the Fourth Proportional to 142,189,360.93, 213,292,012.97 and 39,945,427.03

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Solution

The fourth proportional to 142,189,360.93, 213,292,012.97 and 39,945,427.03 is: 59,920,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,189,360.93 : 213,292,012.97 = 39,945,427.03 : x
  2. Step 2: Convert to fraction form
    142,189,360.93/213,292,012.97 = 39,945,427.03/x
  3. Step 3: Cross multiply
    142,189,360.93x = 213,292,012.97 × 39,945,427.03
  4. Step 4: Simplify right side
    142,189,360.93x = 8,520,040,539,441,992
  5. Step 5: Solve for x
    x = 8,520,040,539,441,992/142,189,360.93
  6. Step 6: Final answer
    x = 59,920,380.00

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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.