Home / 38,855,767.20-58,206,887.10-19,700,271.60

Finding the Fourth Proportional to 38,855,767.20, 58,206,887.10 and 19,700,271.60

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Solution

The fourth proportional to 38,855,767.20, 58,206,887.10 and 19,700,271.60 is: 29,511,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855,767.20 : 58,206,887.10 = 19,700,271.60 : x
  2. Step 2: Convert to fraction form
    38,855,767.20/58,206,887.10 = 19,700,271.60/x
  3. Step 3: Cross multiply
    38,855,767.20x = 58,206,887.10 × 19,700,271.60
  4. Step 4: Simplify right side
    38,855,767.20x = 1,146,691,484,860,536.50
  5. Step 5: Solve for x
    x = 1,146,691,484,860,536.50/38,855,767.20
  6. Step 6: Final answer
    x = 29,511,487.42

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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.