Home / 86,529,349.78-119,391,412.46-51,229,626.92

Finding the Fourth Proportional to 86,529,349.78, 119,391,412.46 and 51,229,626.92

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Solution

The fourth proportional to 86,529,349.78, 119,391,412.46 and 51,229,626.92 is: 70,685,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,529,349.78 : 119,391,412.46 = 51,229,626.92 : x
  2. Step 2: Convert to fraction form
    86,529,349.78/119,391,412.46 = 51,229,626.92/x
  3. Step 3: Cross multiply
    86,529,349.78x = 119,391,412.46 × 51,229,626.92
  4. Step 4: Simplify right side
    86,529,349.78x = 6,116,377,517,777,639
  5. Step 5: Solve for x
    x = 6,116,377,517,777,639/86,529,349.78
  6. Step 6: Final answer
    x = 70,685,582.79

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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.