Home / 139,647,810-209,477,610.66-41,279,741.66

Finding the Fourth Proportional to 139,647,810, 209,477,610.66 and 41,279,741.66

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Solution

The fourth proportional to 139,647,810, 209,477,610.66 and 41,279,741.66 is: 61,921,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,647,810 : 209,477,610.66 = 41,279,741.66 : x
  2. Step 2: Convert to fraction form
    139,647,810/209,477,610.66 = 41,279,741.66/x
  3. Step 3: Cross multiply
    139,647,810x = 209,477,610.66 × 41,279,741.66
  4. Step 4: Simplify right side
    139,647,810x = 8,647,181,650,551,474
  5. Step 5: Solve for x
    x = 8,647,181,650,551,474/139,647,810
  6. Step 6: Final answer
    x = 61,921,355.23

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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.