Home / 86,529,354.78-119,391,419.36-51,229,631.92

Finding the Fourth Proportional to 86,529,354.78, 119,391,419.36 and 51,229,631.92

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Solution

The fourth proportional to 86,529,354.78, 119,391,419.36 and 51,229,631.92 is: 70,685,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,529,354.78 : 119,391,419.36 = 51,229,631.92 : x
  2. Step 2: Convert to fraction form
    86,529,354.78/119,391,419.36 = 51,229,631.92/x
  3. Step 3: Cross multiply
    86,529,354.78x = 119,391,419.36 × 51,229,631.92
  4. Step 4: Simplify right side
    86,529,354.78x = 6,116,378,468,219,162
  5. Step 5: Solve for x
    x = 6,116,378,468,219,162/86,529,354.78
  6. Step 6: Final answer
    x = 70,685,589.69

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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.