Home / 56,766,796.35-78,372,208.62-37,221,780.21

Finding the Fourth Proportional to 56,766,796.35, 78,372,208.62 and 37,221,780.21

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Solution

The fourth proportional to 56,766,796.35, 78,372,208.62 and 37,221,780.21 is: 51,388,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766,796.35 : 78,372,208.62 = 37,221,780.21 : x
  2. Step 2: Convert to fraction form
    56,766,796.35/78,372,208.62 = 37,221,780.21/x
  3. Step 3: Cross multiply
    56,766,796.35x = 78,372,208.62 × 37,221,780.21
  4. Step 4: Simplify right side
    56,766,796.35x = 2,917,153,123,825,907.50
  5. Step 5: Solve for x
    x = 2,917,153,123,825,907.50/56,766,796.35
  6. Step 6: Final answer
    x = 51,388,369.81

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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.