Home / 63,154,872.30-87,161,285.79-38,379,107.46

Finding the Fourth Proportional to 63,154,872.30, 87,161,285.79 and 38,379,107.46

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Solution

The fourth proportional to 63,154,872.30, 87,161,285.79 and 38,379,107.46 is: 52,967,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154,872.30 : 87,161,285.79 = 38,379,107.46 : x
  2. Step 2: Convert to fraction form
    63,154,872.30/87,161,285.79 = 38,379,107.46/x
  3. Step 3: Cross multiply
    63,154,872.30x = 87,161,285.79 × 38,379,107.46
  4. Step 4: Simplify right side
    63,154,872.30x = 3,345,172,353,686,181.50
  5. Step 5: Solve for x
    x = 3,345,172,353,686,181.50/63,154,872.30
  6. Step 6: Final answer
    x = 52,967,763.72

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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.