Home / 279,936,000.15-419,904,000.23-126,587,059.35

Finding the Fourth Proportional to 279,936,000.15, 419,904,000.23 and 126,587,059.35

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Solution

The fourth proportional to 279,936,000.15, 419,904,000.23 and 126,587,059.35 is: 189,880,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,000.15 : 419,904,000.23 = 126,587,059.35 : x
  2. Step 2: Convert to fraction form
    279,936,000.15/419,904,000.23 = 126,587,059.35/x
  3. Step 3: Cross multiply
    279,936,000.15x = 419,904,000.23 × 126,587,059.35
  4. Step 4: Simplify right side
    279,936,000.15x = 53,154,412,597,784,488
  5. Step 5: Solve for x
    x = 53,154,412,597,784,488/279,936,000.15
  6. Step 6: Final answer
    x = 189,880,589.03

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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.