Home / 381,717,401.08-572,560,108.98-122,926,891.72

Finding the Fourth Proportional to 381,717,401.08, 572,560,108.98 and 122,926,891.72

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Solution

The fourth proportional to 381,717,401.08, 572,560,108.98 and 122,926,891.72 is: 184,385,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,717,401.08 : 572,560,108.98 = 122,926,891.72 : x
  2. Step 2: Convert to fraction form
    381,717,401.08/572,560,108.98 = 122,926,891.72/x
  3. Step 3: Cross multiply
    381,717,401.08x = 572,560,108.98 × 122,926,891.72
  4. Step 4: Simplify right side
    381,717,401.08x = 70,383,034,519,775,864
  5. Step 5: Solve for x
    x = 70,383,034,519,775,864/381,717,401.08
  6. Step 6: Final answer
    x = 184,385,187.37

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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.