Home / 55,012,101.44-82,520,893.20-20,936,088.32

Finding the Fourth Proportional to 55,012,101.44, 82,520,893.20 and 20,936,088.32

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Solution

The fourth proportional to 55,012,101.44, 82,520,893.20 and 20,936,088.32 is: 31,405,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,101.44 : 82,520,893.20 = 20,936,088.32 : x
  2. Step 2: Convert to fraction form
    55,012,101.44/82,520,893.20 = 20,936,088.32/x
  3. Step 3: Cross multiply
    55,012,101.44x = 82,520,893.20 × 20,936,088.32
  4. Step 4: Simplify right side
    55,012,101.44x = 1,727,664,708,280,487.50
  5. Step 5: Solve for x
    x = 1,727,664,708,280,487.50/55,012,101.44
  6. Step 6: Final answer
    x = 31,405,175.64

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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.