Home / 55,135,632.20-82,703,448.30-54,285,326.60

Finding the Fourth Proportional to 55,135,632.20, 82,703,448.30 and 54,285,326.60

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Solution

The fourth proportional to 55,135,632.20, 82,703,448.30 and 54,285,326.60 is: 81,427,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135,632.20 : 82,703,448.30 = 54,285,326.60 : x
  2. Step 2: Convert to fraction form
    55,135,632.20/82,703,448.30 = 54,285,326.60/x
  3. Step 3: Cross multiply
    55,135,632.20x = 82,703,448.30 × 54,285,326.60
  4. Step 4: Simplify right side
    55,135,632.20x = 4,489,583,701,911,714.50
  5. Step 5: Solve for x
    x = 4,489,583,701,911,714.50/55,135,632.20
  6. Step 6: Final answer
    x = 81,427,989.90

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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.