Home / 53,280,120.60-79,920,180.90-17,378,328.60

Finding the Fourth Proportional to 53,280,120.60, 79,920,180.90 and 17,378,328.60

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Solution

The fourth proportional to 53,280,120.60, 79,920,180.90 and 17,378,328.60 is: 26,067,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280,120.60 : 79,920,180.90 = 17,378,328.60 : x
  2. Step 2: Convert to fraction form
    53,280,120.60/79,920,180.90 = 17,378,328.60/x
  3. Step 3: Cross multiply
    53,280,120.60x = 79,920,180.90 × 17,378,328.60
  4. Step 4: Simplify right side
    53,280,120.60x = 1,388,879,165,451,644
  5. Step 5: Solve for x
    x = 1,388,879,165,451,644/53,280,120.60
  6. Step 6: Final answer
    x = 26,067,492.90

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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.