Home / 131,656,608.73-181,617,237.68-81,404,763.68

Finding the Fourth Proportional to 131,656,608.73, 181,617,237.68 and 81,404,763.68

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Solution

The fourth proportional to 131,656,608.73, 181,617,237.68 and 81,404,763.68 is: 112,295,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,656,608.73 : 181,617,237.68 = 81,404,763.68 : x
  2. Step 2: Convert to fraction form
    131,656,608.73/181,617,237.68 = 81,404,763.68/x
  3. Step 3: Cross multiply
    131,656,608.73x = 181,617,237.68 × 81,404,763.68
  4. Step 4: Simplify right side
    131,656,608.73x = 14,784,508,313,554,794
  5. Step 5: Solve for x
    x = 14,784,508,313,554,794/131,656,608.73
  6. Step 6: Final answer
    x = 112,295,983.13

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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.