Home / 271,315,999.60-406,973,999.40-168,003,869.20

Finding the Fourth Proportional to 271,315,999.60, 406,973,999.40 and 168,003,869.20

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Solution

The fourth proportional to 271,315,999.60, 406,973,999.40 and 168,003,869.20 is: 252,005,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,315,999.60 : 406,973,999.40 = 168,003,869.20 : x
  2. Step 2: Convert to fraction form
    271,315,999.60/406,973,999.40 = 168,003,869.20/x
  3. Step 3: Cross multiply
    271,315,999.60x = 406,973,999.40 × 168,003,869.20
  4. Step 4: Simplify right side
    271,315,999.60x = 68,373,206,562,998,472
  5. Step 5: Solve for x
    x = 68,373,206,562,998,472/271,315,999.60
  6. Step 6: Final answer
    x = 252,005,803.80

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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.