Home / 57,472,135.20-86,208,202.80-51,236,560.80

Finding the Fourth Proportional to 57,472,135.20, 86,208,202.80 and 51,236,560.80

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Solution

The fourth proportional to 57,472,135.20, 86,208,202.80 and 51,236,560.80 is: 76,854,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,135.20 : 86,208,202.80 = 51,236,560.80 : x
  2. Step 2: Convert to fraction form
    57,472,135.20/86,208,202.80 = 51,236,560.80/x
  3. Step 3: Cross multiply
    57,472,135.20x = 86,208,202.80 × 51,236,560.80
  4. Step 4: Simplify right side
    57,472,135.20x = 4,417,011,824,220,930
  5. Step 5: Solve for x
    x = 4,417,011,824,220,930/57,472,135.20
  6. Step 6: Final answer
    x = 76,854,841.20

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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.