Home / 117,058,589.45-161,529,080.60-64,837,868.19

Finding the Fourth Proportional to 117,058,589.45, 161,529,080.60 and 64,837,868.19

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Solution

The fourth proportional to 117,058,589.45, 161,529,080.60 and 64,837,868.19 is: 89,469,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,058,589.45 : 161,529,080.60 = 64,837,868.19 : x
  2. Step 2: Convert to fraction form
    117,058,589.45/161,529,080.60 = 64,837,868.19/x
  3. Step 3: Cross multiply
    117,058,589.45x = 161,529,080.60 × 64,837,868.19
  4. Step 4: Simplify right side
    117,058,589.45x = 10,473,201,236,794,686
  5. Step 5: Solve for x
    x = 10,473,201,236,794,686/117,058,589.45
  6. Step 6: Final answer
    x = 89,469,737.21

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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.