Home / 57,760,019.20-86,640,028.80-48,690,092.80

Finding the Fourth Proportional to 57,760,019.20, 86,640,028.80 and 48,690,092.80

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Solution

The fourth proportional to 57,760,019.20, 86,640,028.80 and 48,690,092.80 is: 73,035,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760,019.20 : 86,640,028.80 = 48,690,092.80 : x
  2. Step 2: Convert to fraction form
    57,760,019.20/86,640,028.80 = 48,690,092.80/x
  3. Step 3: Cross multiply
    57,760,019.20x = 86,640,028.80 × 48,690,092.80
  4. Step 4: Simplify right side
    57,760,019.20x = 4,218,511,042,466,672
  5. Step 5: Solve for x
    x = 4,218,511,042,466,672/57,760,019.20
  6. Step 6: Final answer
    x = 73,035,139.20

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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.