Home / 168,140,102.70-252,399,110.85-129,970,829.10

Finding the Fourth Proportional to 168,140,102.70, 252,399,110.85 and 129,970,829.10

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Solution

The fourth proportional to 168,140,102.70, 252,399,110.85 and 129,970,829.10 is: 195,102,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,140,102.70 : 252,399,110.85 = 129,970,829.10 : x
  2. Step 2: Convert to fraction form
    168,140,102.70/252,399,110.85 = 129,970,829.10/x
  3. Step 3: Cross multiply
    168,140,102.70x = 252,399,110.85 × 129,970,829.10
  4. Step 4: Simplify right side
    168,140,102.70x = 32,804,521,701,277,304
  5. Step 5: Solve for x
    x = 32,804,521,701,277,304/168,140,102.70
  6. Step 6: Final answer
    x = 195,102,305.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.