Home / 54,271,269.60-81,378,910.80-20,175,064.80

Finding the Fourth Proportional to 54,271,269.60, 81,378,910.80 and 20,175,064.80

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Solution

The fourth proportional to 54,271,269.60, 81,378,910.80 and 20,175,064.80 is: 30,252,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,271,269.60 : 81,378,910.80 = 20,175,064.80 : x
  2. Step 2: Convert to fraction form
    54,271,269.60/81,378,910.80 = 20,175,064.80/x
  3. Step 3: Cross multiply
    54,271,269.60x = 81,378,910.80 × 20,175,064.80
  4. Step 4: Simplify right side
    54,271,269.60x = 1,641,824,798,743,419.75
  5. Step 5: Solve for x
    x = 1,641,824,798,743,419.75/54,271,269.60
  6. Step 6: Final answer
    x = 30,252,190.72

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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.