Home / 86,678,516.92-119,616,324.48-47,519,453.90

Finding the Fourth Proportional to 86,678,516.92, 119,616,324.48 and 47,519,453.90

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Solution

The fourth proportional to 86,678,516.92, 119,616,324.48 and 47,519,453.90 is: 65,576,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,678,516.92 : 119,616,324.48 = 47,519,453.90 : x
  2. Step 2: Convert to fraction form
    86,678,516.92/119,616,324.48 = 47,519,453.90/x
  3. Step 3: Cross multiply
    86,678,516.92x = 119,616,324.48 × 47,519,453.90
  4. Step 4: Simplify right side
    86,678,516.92x = 5,684,102,416,814,801
  5. Step 5: Solve for x
    x = 5,684,102,416,814,801/86,678,516.92
  6. Step 6: Final answer
    x = 65,576,830.55

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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.