Home / 186,517,410.40-279,797,110.80-57,123,992.80

Finding the Fourth Proportional to 186,517,410.40, 279,797,110.80 and 57,123,992.80

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Solution

The fourth proportional to 186,517,410.40, 279,797,110.80 and 57,123,992.80 is: 85,692,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,517,410.40 : 279,797,110.80 = 57,123,992.80 : x
  2. Step 2: Convert to fraction form
    186,517,410.40/279,797,110.80 = 57,123,992.80/x
  3. Step 3: Cross multiply
    186,517,410.40x = 279,797,110.80 × 57,123,992.80
  4. Step 4: Simplify right side
    186,517,410.40x = 15,983,128,142,800,002
  5. Step 5: Solve for x
    x = 15,983,128,142,800,002/186,517,410.40
  6. Step 6: Final answer
    x = 85,692,419.32

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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.