Home / 220,894,286.40-331,341,429.60-75,492,028.80

Finding the Fourth Proportional to 220,894,286.40, 331,341,429.60 and 75,492,028.80

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Solution

The fourth proportional to 220,894,286.40, 331,341,429.60 and 75,492,028.80 is: 113,238,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,894,286.40 : 331,341,429.60 = 75,492,028.80 : x
  2. Step 2: Convert to fraction form
    220,894,286.40/331,341,429.60 = 75,492,028.80/x
  3. Step 3: Cross multiply
    220,894,286.40x = 331,341,429.60 × 75,492,028.80
  4. Step 4: Simplify right side
    220,894,286.40x = 25,013,636,745,996,372
  5. Step 5: Solve for x
    x = 25,013,636,745,996,372/220,894,286.40
  6. Step 6: Final answer
    x = 113,238,043.20

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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.