Home / 119,555,147.79-164,981,006.37-66,629,039.16

Finding the Fourth Proportional to 119,555,147.79, 164,981,006.37 and 66,629,039.16

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Solution

The fourth proportional to 119,555,147.79, 164,981,006.37 and 66,629,039.16 is: 91,945,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555,147.79 : 164,981,006.37 = 66,629,039.16 : x
  2. Step 2: Convert to fraction form
    119,555,147.79/164,981,006.37 = 66,629,039.16/x
  3. Step 3: Cross multiply
    119,555,147.79x = 164,981,006.37 × 66,629,039.16
  4. Step 4: Simplify right side
    119,555,147.79x = 10,992,525,934,082,940
  5. Step 5: Solve for x
    x = 10,992,525,934,082,940/119,555,147.79
  6. Step 6: Final answer
    x = 91,945,233.12

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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.