Home / 86,317,514.10-129,362,896.26-40,892,299.38

Finding the Fourth Proportional to 86,317,514.10, 129,362,896.26 and 40,892,299.38

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Solution

The fourth proportional to 86,317,514.10, 129,362,896.26 and 40,892,299.38 is: 61,284,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,317,514.10 : 129,362,896.26 = 40,892,299.38 : x
  2. Step 2: Convert to fraction form
    86,317,514.10/129,362,896.26 = 40,892,299.38/x
  3. Step 3: Cross multiply
    86,317,514.10x = 129,362,896.26 × 40,892,299.38
  4. Step 4: Simplify right side
    86,317,514.10x = 5,289,946,282,527,803
  5. Step 5: Solve for x
    x = 5,289,946,282,527,803/86,317,514.10
  6. Step 6: Final answer
    x = 61,284,738.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.