Home / 221,377,356.60-331,618,137.30-153,296,921.40

Finding the Fourth Proportional to 221,377,356.60, 331,618,137.30 and 153,296,921.40

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Solution

The fourth proportional to 221,377,356.60, 331,618,137.30 and 153,296,921.40 is: 229,635,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,377,356.60 : 331,618,137.30 = 153,296,921.40 : x
  2. Step 2: Convert to fraction form
    221,377,356.60/331,618,137.30 = 153,296,921.40/x
  3. Step 3: Cross multiply
    221,377,356.60x = 331,618,137.30 × 153,296,921.40
  4. Step 4: Simplify right side
    221,377,356.60x = 50,836,039,528,492,512
  5. Step 5: Solve for x
    x = 50,836,039,528,492,512/221,377,356.60
  6. Step 6: Final answer
    x = 229,635,226.97

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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.