Home / 55,197,251.60-82,795,877.40-18,846,687.20

Finding the Fourth Proportional to 55,197,251.60, 82,795,877.40 and 18,846,687.20

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Solution

The fourth proportional to 55,197,251.60, 82,795,877.40 and 18,846,687.20 is: 28,270,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,197,251.60 : 82,795,877.40 = 18,846,687.20 : x
  2. Step 2: Convert to fraction form
    55,197,251.60/82,795,877.40 = 18,846,687.20/x
  3. Step 3: Cross multiply
    55,197,251.60x = 82,795,877.40 × 18,846,687.20
  4. Step 4: Simplify right side
    55,197,251.60x = 1,560,428,002,807,349.25
  5. Step 5: Solve for x
    x = 1,560,428,002,807,349.25/55,197,251.60
  6. Step 6: Final answer
    x = 28,270,030.80

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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.