Home / 168,444,005.80-252,666,008.70-102,970,474.60

Finding the Fourth Proportional to 168,444,005.80, 252,666,008.70 and 102,970,474.60

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Solution

The fourth proportional to 168,444,005.80, 252,666,008.70 and 102,970,474.60 is: 154,455,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,444,005.80 : 252,666,008.70 = 102,970,474.60 : x
  2. Step 2: Convert to fraction form
    168,444,005.80/252,666,008.70 = 102,970,474.60/x
  3. Step 3: Cross multiply
    168,444,005.80x = 252,666,008.70 × 102,970,474.60
  4. Step 4: Simplify right side
    168,444,005.80x = 26,017,138,831,126,728
  5. Step 5: Solve for x
    x = 26,017,138,831,126,728/168,444,005.80
  6. Step 6: Final answer
    x = 154,455,711.90

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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.