Home / 221,438,712.80-332,158,069.20-119,402,040.80

Finding the Fourth Proportional to 221,438,712.80, 332,158,069.20 and 119,402,040.80

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Solution

The fourth proportional to 221,438,712.80, 332,158,069.20 and 119,402,040.80 is: 179,103,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,438,712.80 : 332,158,069.20 = 119,402,040.80 : x
  2. Step 2: Convert to fraction form
    221,438,712.80/332,158,069.20 = 119,402,040.80/x
  3. Step 3: Cross multiply
    221,438,712.80x = 332,158,069.20 × 119,402,040.80
  4. Step 4: Simplify right side
    221,438,712.80x = 39,660,351,330,667,624
  5. Step 5: Solve for x
    x = 39,660,351,330,667,624/221,438,712.80
  6. Step 6: Final answer
    x = 179,103,061.20

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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.