Home / 99,794,974.20-149,692,461.30-48,709,764.60

Finding the Fourth Proportional to 99,794,974.20, 149,692,461.30 and 48,709,764.60

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Solution

The fourth proportional to 99,794,974.20, 149,692,461.30 and 48,709,764.60 is: 73,064,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,974.20 : 149,692,461.30 = 48,709,764.60 : x
  2. Step 2: Convert to fraction form
    99,794,974.20/149,692,461.30 = 48,709,764.60/x
  3. Step 3: Cross multiply
    99,794,974.20x = 149,692,461.30 × 48,709,764.60
  4. Step 4: Simplify right side
    99,794,974.20x = 7,291,484,552,317,611
  5. Step 5: Solve for x
    x = 7,291,484,552,317,611/99,794,974.20
  6. Step 6: Final answer
    x = 73,064,646.90

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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.