Home / 112,929,431.34-169,193,745.12-47,205,687.90

Finding the Fourth Proportional to 112,929,431.34, 169,193,745.12 and 47,205,687.90

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Solution

The fourth proportional to 112,929,431.34, 169,193,745.12 and 47,205,687.90 is: 70,724,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,929,431.34 : 169,193,745.12 = 47,205,687.90 : x
  2. Step 2: Convert to fraction form
    112,929,431.34/169,193,745.12 = 47,205,687.90/x
  3. Step 3: Cross multiply
    112,929,431.34x = 169,193,745.12 × 47,205,687.90
  4. Step 4: Simplify right side
    112,929,431.34x = 7,986,907,126,766,868
  5. Step 5: Solve for x
    x = 7,986,907,126,766,868/112,929,431.34
  6. Step 6: Final answer
    x = 70,724,761.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.