Home / 99,794,005.20-149,691,007.80-56,795,835.60

Finding the Fourth Proportional to 99,794,005.20, 149,691,007.80 and 56,795,835.60

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Solution

The fourth proportional to 99,794,005.20, 149,691,007.80 and 56,795,835.60 is: 85,193,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,005.20 : 149,691,007.80 = 56,795,835.60 : x
  2. Step 2: Convert to fraction form
    99,794,005.20/149,691,007.80 = 56,795,835.60/x
  3. Step 3: Cross multiply
    99,794,005.20x = 149,691,007.80 × 56,795,835.60
  4. Step 4: Simplify right side
    99,794,005.20x = 8,501,825,869,807,119
  5. Step 5: Solve for x
    x = 8,501,825,869,807,119/99,794,005.20
  6. Step 6: Final answer
    x = 85,193,753.40

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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.