Home / 86,817,183.72-119,803,313.78-51,536,496.90

Finding the Fourth Proportional to 86,817,183.72, 119,803,313.78 and 51,536,496.90

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Solution

The fourth proportional to 86,817,183.72, 119,803,313.78 and 51,536,496.90 is: 71,117,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,817,183.72 : 119,803,313.78 = 51,536,496.90 : x
  2. Step 2: Convert to fraction form
    86,817,183.72/119,803,313.78 = 51,536,496.90/x
  3. Step 3: Cross multiply
    86,817,183.72x = 119,803,313.78 × 51,536,496.90
  4. Step 4: Simplify right side
    86,817,183.72x = 6,174,243,109,232,697
  5. Step 5: Solve for x
    x = 6,174,243,109,232,697/86,817,183.72
  6. Step 6: Final answer
    x = 71,117,753.94

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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.