Home / 86,469,544.65-119,327,892.89-47,311,484.61

Finding the Fourth Proportional to 86,469,544.65, 119,327,892.89 and 47,311,484.61

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Solution

The fourth proportional to 86,469,544.65, 119,327,892.89 and 47,311,484.61 is: 65,289,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,469,544.65 : 119,327,892.89 = 47,311,484.61 : x
  2. Step 2: Convert to fraction form
    86,469,544.65/119,327,892.89 = 47,311,484.61/x
  3. Step 3: Cross multiply
    86,469,544.65x = 119,327,892.89 × 47,311,484.61
  4. Step 4: Simplify right side
    86,469,544.65x = 5,645,579,767,772,406
  5. Step 5: Solve for x
    x = 5,645,579,767,772,406/86,469,544.65
  6. Step 6: Final answer
    x = 65,289,805.68

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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.