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Finding the Fourth Proportional to 220,123,892.40, 330,185,838.60 and 124,572,404.40

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Solution

The fourth proportional to 220,123,892.40, 330,185,838.60 and 124,572,404.40 is: 186,858,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,123,892.40 : 330,185,838.60 = 124,572,404.40 : x
  2. Step 2: Convert to fraction form
    220,123,892.40/330,185,838.60 = 124,572,404.40/x
  3. Step 3: Cross multiply
    220,123,892.40x = 330,185,838.60 × 124,572,404.40
  4. Step 4: Simplify right side
    220,123,892.40x = 41,132,043,813,232,336
  5. Step 5: Solve for x
    x = 41,132,043,813,232,336/220,123,892.40
  6. Step 6: Final answer
    x = 186,858,606.60

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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.