Home / 221,429,852.40-332,144,778.60-91,994,444.40

Finding the Fourth Proportional to 221,429,852.40, 332,144,778.60 and 91,994,444.40

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Solution

The fourth proportional to 221,429,852.40, 332,144,778.60 and 91,994,444.40 is: 137,991,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,429,852.40 : 332,144,778.60 = 91,994,444.40 : x
  2. Step 2: Convert to fraction form
    221,429,852.40/332,144,778.60 = 91,994,444.40/x
  3. Step 3: Cross multiply
    221,429,852.40x = 332,144,778.60 × 91,994,444.40
  4. Step 4: Simplify right side
    221,429,852.40x = 30,555,474,367,668,016
  5. Step 5: Solve for x
    x = 30,555,474,367,668,016/221,429,852.40
  6. Step 6: Final answer
    x = 137,991,666.60

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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.