Home / 57,929,201.20-79,943,116.46-31,826,131.48

Finding the Fourth Proportional to 57,929,201.20, 79,943,116.46 and 31,826,131.48

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Solution

The fourth proportional to 57,929,201.20, 79,943,116.46 and 31,826,131.48 is: 43,920,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929,201.20 : 79,943,116.46 = 31,826,131.48 : x
  2. Step 2: Convert to fraction form
    57,929,201.20/79,943,116.46 = 31,826,131.48/x
  3. Step 3: Cross multiply
    57,929,201.20x = 79,943,116.46 × 31,826,131.48
  4. Step 4: Simplify right side
    57,929,201.20x = 2,544,280,135,376,912
  5. Step 5: Solve for x
    x = 2,544,280,135,376,912/57,929,201.20
  6. Step 6: Final answer
    x = 43,920,511.29

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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.