Home / 64,361,109.60-96,532,333.20-18,918,165.60

Finding the Fourth Proportional to 64,361,109.60, 96,532,333.20 and 18,918,165.60

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Solution

The fourth proportional to 64,361,109.60, 96,532,333.20 and 18,918,165.60 is: 28,374,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361,109.60 : 96,532,333.20 = 18,918,165.60 : x
  2. Step 2: Convert to fraction form
    64,361,109.60/96,532,333.20 = 18,918,165.60/x
  3. Step 3: Cross multiply
    64,361,109.60x = 96,532,333.20 × 18,918,165.60
  4. Step 4: Simplify right side
    64,361,109.60x = 1,826,214,665,231,978
  5. Step 5: Solve for x
    x = 1,826,214,665,231,978/64,361,109.60
  6. Step 6: Final answer
    x = 28,374,505.61

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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.