Home / 55,196,645.10-82,794,967.65-18,846,080.70

Finding the Fourth Proportional to 55,196,645.10, 82,794,967.65 and 18,846,080.70

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Solution

The fourth proportional to 55,196,645.10, 82,794,967.65 and 18,846,080.70 is: 28,269,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,645.10 : 82,794,967.65 = 18,846,080.70 : x
  2. Step 2: Convert to fraction form
    55,196,645.10/82,794,967.65 = 18,846,080.70/x
  3. Step 3: Cross multiply
    55,196,645.10x = 82,794,967.65 × 18,846,080.70
  4. Step 4: Simplify right side
    55,196,645.10x = 1,560,360,641,885,789.50
  5. Step 5: Solve for x
    x = 1,560,360,641,885,789.50/55,196,645.10
  6. Step 6: Final answer
    x = 28,269,121.05

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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.