Home / 57,187,435.70-78,951,069.15-43,750,821.34

Finding the Fourth Proportional to 57,187,435.70, 78,951,069.15 and 43,750,821.34

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Solution

The fourth proportional to 57,187,435.70, 78,951,069.15 and 43,750,821.34 is: 60,400,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187,435.70 : 78,951,069.15 = 43,750,821.34 : x
  2. Step 2: Convert to fraction form
    57,187,435.70/78,951,069.15 = 43,750,821.34/x
  3. Step 3: Cross multiply
    57,187,435.70x = 78,951,069.15 × 43,750,821.34
  4. Step 4: Simplify right side
    57,187,435.70x = 3,454,174,120,895,635
  5. Step 5: Solve for x
    x = 3,454,174,120,895,635/57,187,435.70
  6. Step 6: Final answer
    x = 60,400,926.86

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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.