Home / 221,438,999.80-332,158,499.70-119,402,327.80

Finding the Fourth Proportional to 221,438,999.80, 332,158,499.70 and 119,402,327.80

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Solution

The fourth proportional to 221,438,999.80, 332,158,499.70 and 119,402,327.80 is: 179,103,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,438,999.80 : 332,158,499.70 = 119,402,327.80 : x
  2. Step 2: Convert to fraction form
    221,438,999.80/332,158,499.70 = 119,402,327.80/x
  3. Step 3: Cross multiply
    221,438,999.80x = 332,158,499.70 × 119,402,327.80
  4. Step 4: Simplify right side
    221,438,999.80x = 39,660,498,062,735,600
  5. Step 5: Solve for x
    x = 39,660,498,062,735,600/221,438,999.80
  6. Step 6: Final answer
    x = 179,103,491.70

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1.5x scale

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.