Home / 221,434,374.30-332,151,561.45-220,158,915.90

Finding the Fourth Proportional to 221,434,374.30, 332,151,561.45 and 220,158,915.90

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Solution

The fourth proportional to 221,434,374.30, 332,151,561.45 and 220,158,915.90 is: 330,238,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,374.30 : 332,151,561.45 = 220,158,915.90 : x
  2. Step 2: Convert to fraction form
    221,434,374.30/332,151,561.45 = 220,158,915.90/x
  3. Step 3: Cross multiply
    221,434,374.30x = 332,151,561.45 × 220,158,915.90
  4. Step 4: Simplify right side
    221,434,374.30x = 73,126,127,683,324,224
  5. Step 5: Solve for x
    x = 73,126,127,683,324,224/221,434,374.30
  6. Step 6: Final answer
    x = 330,238,373.85

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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.