Home / 118,811,998.40-178,193,114.40-58,271,172.80

Finding the Fourth Proportional to 118,811,998.40, 178,193,114.40 and 58,271,172.80

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Solution

The fourth proportional to 118,811,998.40, 178,193,114.40 and 58,271,172.80 is: 87,394,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,811,998.40 : 178,193,114.40 = 58,271,172.80 : x
  2. Step 2: Convert to fraction form
    118,811,998.40/178,193,114.40 = 58,271,172.80/x
  3. Step 3: Cross multiply
    118,811,998.40x = 178,193,114.40 × 58,271,172.80
  4. Step 4: Simplify right side
    118,811,998.40x = 10,383,521,760,972,568
  5. Step 5: Solve for x
    x = 10,383,521,760,972,568/118,811,998.40
  6. Step 6: Final answer
    x = 87,394,555.27

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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.