Home / 168,170,309.63-252,268,670.25-45,346,777.91

Finding the Fourth Proportional to 168,170,309.63, 252,268,670.25 and 45,346,777.91

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Solution

The fourth proportional to 168,170,309.63, 252,268,670.25 and 45,346,777.91 is: 68,023,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,170,309.63 : 252,268,670.25 = 45,346,777.91 : x
  2. Step 2: Convert to fraction form
    168,170,309.63/252,268,670.25 = 45,346,777.91/x
  3. Step 3: Cross multiply
    168,170,309.63x = 252,268,670.25 × 45,346,777.91
  4. Step 4: Simplify right side
    168,170,309.63x = 11,439,571,363,477,774
  5. Step 5: Solve for x
    x = 11,439,571,363,477,774/168,170,309.63
  6. Step 6: Final answer
    x = 68,023,727.78

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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.