Home / 99,794,590.20-149,691,885.30-48,709,380.60

Finding the Fourth Proportional to 99,794,590.20, 149,691,885.30 and 48,709,380.60

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Solution

The fourth proportional to 99,794,590.20, 149,691,885.30 and 48,709,380.60 is: 73,064,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,590.20 : 149,691,885.30 = 48,709,380.60 : x
  2. Step 2: Convert to fraction form
    99,794,590.20/149,691,885.30 = 48,709,380.60/x
  3. Step 3: Cross multiply
    99,794,590.20x = 149,691,885.30 × 48,709,380.60
  4. Step 4: Simplify right side
    99,794,590.20x = 7,291,399,013,809,246
  5. Step 5: Solve for x
    x = 7,291,399,013,809,246/99,794,590.20
  6. Step 6: Final answer
    x = 73,064,070.90

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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.