Home / 221,434,272.80-332,151,409.20-220,158,814.40

Finding the Fourth Proportional to 221,434,272.80, 332,151,409.20 and 220,158,814.40

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Solution

The fourth proportional to 221,434,272.80, 332,151,409.20 and 220,158,814.40 is: 330,238,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,272.80 : 332,151,409.20 = 220,158,814.40 : x
  2. Step 2: Convert to fraction form
    221,434,272.80/332,151,409.20 = 220,158,814.40/x
  3. Step 3: Cross multiply
    221,434,272.80x = 332,151,409.20 × 220,158,814.40
  4. Step 4: Simplify right side
    221,434,272.80x = 73,126,060,450,761,248
  5. Step 5: Solve for x
    x = 73,126,060,450,761,248/221,434,272.80
  6. Step 6: Final answer
    x = 330,238,221.60

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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.