Home / 108,396,007.20-162,540,210.60-39,306,052.80

Finding the Fourth Proportional to 108,396,007.20, 162,540,210.60 and 39,306,052.80

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Solution

The fourth proportional to 108,396,007.20, 162,540,210.60 and 39,306,052.80 is: 58,939,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,396,007.20 : 162,540,210.60 = 39,306,052.80 : x
  2. Step 2: Convert to fraction form
    108,396,007.20/162,540,210.60 = 39,306,052.80/x
  3. Step 3: Cross multiply
    108,396,007.20x = 162,540,210.60 × 39,306,052.80
  4. Step 4: Simplify right side
    108,396,007.20x = 6,388,814,099,966,719
  5. Step 5: Solve for x
    x = 6,388,814,099,966,719/108,396,007.20
  6. Step 6: Final answer
    x = 58,939,570.42

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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.