Home / 80,892,109.60-121,338,164.40-35,542,477.60

Finding the Fourth Proportional to 80,892,109.60, 121,338,164.40 and 35,542,477.60

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Solution

The fourth proportional to 80,892,109.60, 121,338,164.40 and 35,542,477.60 is: 53,313,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,892,109.60 : 121,338,164.40 = 35,542,477.60 : x
  2. Step 2: Convert to fraction form
    80,892,109.60/121,338,164.40 = 35,542,477.60/x
  3. Step 3: Cross multiply
    80,892,109.60x = 121,338,164.40 × 35,542,477.60
  4. Step 4: Simplify right side
    80,892,109.60x = 4,312,658,990,212,118
  5. Step 5: Solve for x
    x = 4,312,658,990,212,118/80,892,109.60
  6. Step 6: Final answer
    x = 53,313,716.40

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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.