Home / 99,763,404.10-149,570,456.55-54,376,447.30

Finding the Fourth Proportional to 99,763,404.10, 149,570,456.55 and 54,376,447.30

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Solution

The fourth proportional to 99,763,404.10, 149,570,456.55 and 54,376,447.30 is: 81,523,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,763,404.10 : 149,570,456.55 = 54,376,447.30 : x
  2. Step 2: Convert to fraction form
    99,763,404.10/149,570,456.55 = 54,376,447.30/x
  3. Step 3: Cross multiply
    99,763,404.10x = 149,570,456.55 × 54,376,447.30
  4. Step 4: Simplify right side
    99,763,404.10x = 8,133,110,048,228,015
  5. Step 5: Solve for x
    x = 8,133,110,048,228,015/99,763,404.10
  6. Step 6: Final answer
    x = 81,523,982.88

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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.