Home / 139,968,267.20-209,952,400.80-119,560,932.80

Finding the Fourth Proportional to 139,968,267.20, 209,952,400.80 and 119,560,932.80

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Solution

The fourth proportional to 139,968,267.20, 209,952,400.80 and 119,560,932.80 is: 179,341,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,267.20 : 209,952,400.80 = 119,560,932.80 : x
  2. Step 2: Convert to fraction form
    139,968,267.20/209,952,400.80 = 119,560,932.80/x
  3. Step 3: Cross multiply
    139,968,267.20x = 209,952,400.80 × 119,560,932.80
  4. Step 4: Simplify right side
    139,968,267.20x = 25,102,104,883,247,468
  5. Step 5: Solve for x
    x = 25,102,104,883,247,468/139,968,267.20
  6. Step 6: Final answer
    x = 179,341,399.20

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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.