Home / 100,368,522.30-150,552,783.45-54,452,019.90

Finding the Fourth Proportional to 100,368,522.30, 150,552,783.45 and 54,452,019.90

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Solution

The fourth proportional to 100,368,522.30, 150,552,783.45 and 54,452,019.90 is: 81,678,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,368,522.30 : 150,552,783.45 = 54,452,019.90 : x
  2. Step 2: Convert to fraction form
    100,368,522.30/150,552,783.45 = 54,452,019.90/x
  3. Step 3: Cross multiply
    100,368,522.30x = 150,552,783.45 × 54,452,019.90
  4. Step 4: Simplify right side
    100,368,522.30x = 8,197,903,160,419,790
  5. Step 5: Solve for x
    x = 8,197,903,160,419,790/100,368,522.30
  6. Step 6: Final answer
    x = 81,678,029.85

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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.