Home / 104,297,999.40-156,446,999.10-103,542,172.20

Finding the Fourth Proportional to 104,297,999.40, 156,446,999.10 and 103,542,172.20

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Solution

The fourth proportional to 104,297,999.40, 156,446,999.10 and 103,542,172.20 is: 155,313,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,297,999.40 : 156,446,999.10 = 103,542,172.20 : x
  2. Step 2: Convert to fraction form
    104,297,999.40/156,446,999.10 = 103,542,172.20/x
  3. Step 3: Cross multiply
    104,297,999.40x = 156,446,999.10 × 103,542,172.20
  4. Step 4: Simplify right side
    104,297,999.40x = 16,198,862,120,985,444
  5. Step 5: Solve for x
    x = 16,198,862,120,985,444/104,297,999.40
  6. Step 6: Final answer
    x = 155,313,258.30

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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.