Home / 103,167,003.70-154,750,505.55-99,198,910.90

Finding the Fourth Proportional to 103,167,003.70, 154,750,505.55 and 99,198,910.90

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Solution

The fourth proportional to 103,167,003.70, 154,750,505.55 and 99,198,910.90 is: 148,798,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,167,003.70 : 154,750,505.55 = 99,198,910.90 : x
  2. Step 2: Convert to fraction form
    103,167,003.70/154,750,505.55 = 99,198,910.90/x
  3. Step 3: Cross multiply
    103,167,003.70x = 154,750,505.55 × 99,198,910.90
  4. Step 4: Simplify right side
    103,167,003.70x = 15,351,081,611,784,408
  5. Step 5: Solve for x
    x = 15,351,081,611,784,408/103,167,003.70
  6. Step 6: Final answer
    x = 148,798,366.35

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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.