Home / 229,910,322.42-345,017,797.89-126,351,846.96

Finding the Fourth Proportional to 229,910,322.42, 345,017,797.89 and 126,351,846.96

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Solution

The fourth proportional to 229,910,322.42, 345,017,797.89 and 126,351,846.96 is: 189,611,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,910,322.42 : 345,017,797.89 = 126,351,846.96 : x
  2. Step 2: Convert to fraction form
    229,910,322.42/345,017,797.89 = 126,351,846.96/x
  3. Step 3: Cross multiply
    229,910,322.42x = 345,017,797.89 × 126,351,846.96
  4. Step 4: Simplify right side
    229,910,322.42x = 43,593,635,997,473,488
  5. Step 5: Solve for x
    x = 43,593,635,997,473,488/229,910,322.42
  6. Step 6: Final answer
    x = 189,611,477.81

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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.