Home / 186,665,477.70-279,998,216.55-168,171,330.90

Finding the Fourth Proportional to 186,665,477.70, 279,998,216.55 and 168,171,330.90

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Solution

The fourth proportional to 186,665,477.70, 279,998,216.55 and 168,171,330.90 is: 252,256,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,665,477.70 : 279,998,216.55 = 168,171,330.90 : x
  2. Step 2: Convert to fraction form
    186,665,477.70/279,998,216.55 = 168,171,330.90/x
  3. Step 3: Cross multiply
    186,665,477.70x = 279,998,216.55 × 168,171,330.90
  4. Step 4: Simplify right side
    186,665,477.70x = 47,087,672,726,839,912
  5. Step 5: Solve for x
    x = 47,087,672,726,839,912/186,665,477.70
  6. Step 6: Final answer
    x = 252,256,996.35

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Similar ratio
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1.5x scale

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.