Home / 112,419,589.14-155,091,523.37-75,261,824.91

Finding the Fourth Proportional to 112,419,589.14, 155,091,523.37 and 75,261,824.91

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Solution

The fourth proportional to 112,419,589.14, 155,091,523.37 and 75,261,824.91 is: 103,829,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,419,589.14 : 155,091,523.37 = 75,261,824.91 : x
  2. Step 2: Convert to fraction form
    112,419,589.14/155,091,523.37 = 75,261,824.91/x
  3. Step 3: Cross multiply
    112,419,589.14x = 155,091,523.37 × 75,261,824.91
  4. Step 4: Simplify right side
    112,419,589.14x = 11,672,471,076,521,804
  5. Step 5: Solve for x
    x = 11,672,471,076,521,804/112,419,589.14
  6. Step 6: Final answer
    x = 103,829,511.97

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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.