Home / 56,943,261.80-85,414,892.70-54,297,866.60

Finding the Fourth Proportional to 56,943,261.80, 85,414,892.70 and 54,297,866.60

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Solution

The fourth proportional to 56,943,261.80, 85,414,892.70 and 54,297,866.60 is: 81,446,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943,261.80 : 85,414,892.70 = 54,297,866.60 : x
  2. Step 2: Convert to fraction form
    56,943,261.80/85,414,892.70 = 54,297,866.60/x
  3. Step 3: Cross multiply
    56,943,261.80x = 85,414,892.70 × 54,297,866.60
  4. Step 4: Simplify right side
    56,943,261.80x = 4,637,846,449,477,914
  5. Step 5: Solve for x
    x = 4,637,846,449,477,914/56,943,261.80
  6. Step 6: Final answer
    x = 81,446,799.90

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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.