Home / 186,517,416.40-279,797,119.80-57,123,998.80

Finding the Fourth Proportional to 186,517,416.40, 279,797,119.80 and 57,123,998.80

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Solution

The fourth proportional to 186,517,416.40, 279,797,119.80 and 57,123,998.80 is: 85,692,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,517,416.40 : 279,797,119.80 = 57,123,998.80 : x
  2. Step 2: Convert to fraction form
    186,517,416.40/279,797,119.80 = 57,123,998.80/x
  3. Step 3: Cross multiply
    186,517,416.40x = 279,797,119.80 × 57,123,998.80
  4. Step 4: Simplify right side
    186,517,416.40x = 15,983,130,335,698,656
  5. Step 5: Solve for x
    x = 15,983,130,335,698,656/186,517,416.40
  6. Step 6: Final answer
    x = 85,692,428.32

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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.