Home / 84,167,945.09-116,231,983.53-79,582,527.80

Finding the Fourth Proportional to 84,167,945.09, 116,231,983.53 and 79,582,527.80

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Solution

The fourth proportional to 84,167,945.09, 116,231,983.53 and 79,582,527.80 is: 109,899,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167,945.09 : 116,231,983.53 = 79,582,527.80 : x
  2. Step 2: Convert to fraction form
    84,167,945.09/116,231,983.53 = 79,582,527.80/x
  3. Step 3: Cross multiply
    84,167,945.09x = 116,231,983.53 × 79,582,527.80
  4. Step 4: Simplify right side
    84,167,945.09x = 9,250,035,060,525,366
  5. Step 5: Solve for x
    x = 9,250,035,060,525,366/84,167,945.09
  6. Step 6: Final answer
    x = 109,899,737.37

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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.