Home / 99,794,874.20-149,692,311.30-48,709,664.60

Finding the Fourth Proportional to 99,794,874.20, 149,692,311.30 and 48,709,664.60

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Solution

The fourth proportional to 99,794,874.20, 149,692,311.30 and 48,709,664.60 is: 73,064,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,874.20 : 149,692,311.30 = 48,709,664.60 : x
  2. Step 2: Convert to fraction form
    99,794,874.20/149,692,311.30 = 48,709,664.60/x
  3. Step 3: Cross multiply
    99,794,874.20x = 149,692,311.30 × 48,709,664.60
  4. Step 4: Simplify right side
    99,794,874.20x = 7,291,462,276,621,791
  5. Step 5: Solve for x
    x = 7,291,462,276,621,791/99,794,874.20
  6. Step 6: Final answer
    x = 73,064,496.90

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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.