Home / 55,777,121.60-83,665,682.40-15,387,540.80

Finding the Fourth Proportional to 55,777,121.60, 83,665,682.40 and 15,387,540.80

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Solution

The fourth proportional to 55,777,121.60, 83,665,682.40 and 15,387,540.80 is: 23,081,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777,121.60 : 83,665,682.40 = 15,387,540.80 : x
  2. Step 2: Convert to fraction form
    55,777,121.60/83,665,682.40 = 15,387,540.80/x
  3. Step 3: Cross multiply
    55,777,121.60x = 83,665,682.40 × 15,387,540.80
  4. Step 4: Simplify right side
    55,777,121.60x = 1,287,409,101,489,842
  5. Step 5: Solve for x
    x = 1,287,409,101,489,842/55,777,121.60
  6. Step 6: Final answer
    x = 23,081,311.20

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1.5x scale

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.