Home / 213,176,183.48-319,794,778.11-65,636,226.89

Finding the Fourth Proportional to 213,176,183.48, 319,794,778.11 and 65,636,226.89

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Solution

The fourth proportional to 213,176,183.48, 319,794,778.11 and 65,636,226.89 is: 98,463,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,176,183.48 : 319,794,778.11 = 65,636,226.89 : x
  2. Step 2: Convert to fraction form
    213,176,183.48/319,794,778.11 = 65,636,226.89/x
  3. Step 3: Cross multiply
    213,176,183.48x = 319,794,778.11 × 65,636,226.89
  4. Step 4: Simplify right side
    213,176,183.48x = 20,990,122,612,666,192
  5. Step 5: Solve for x
    x = 20,990,122,612,666,192/213,176,183.48
  6. Step 6: Final answer
    x = 98,463,732.07

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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.