Home / 299,126,871.72-412,863,957.72-175,407,406.92

Finding the Fourth Proportional to 299,126,871.72, 412,863,957.72 and 175,407,406.92

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Solution

The fourth proportional to 299,126,871.72, 412,863,957.72 and 175,407,406.92 is: 242,102,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,126,871.72 : 412,863,957.72 = 175,407,406.92 : x
  2. Step 2: Convert to fraction form
    299,126,871.72/412,863,957.72 = 175,407,406.92/x
  3. Step 3: Cross multiply
    299,126,871.72x = 412,863,957.72 × 175,407,406.92
  4. Step 4: Simplify right side
    299,126,871.72x = 72,419,396,234,393,712
  5. Step 5: Solve for x
    x = 72,419,396,234,393,712/299,126,871.72
  6. Step 6: Final answer
    x = 242,102,609.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.