Home / 55,284,232.80-76,291,720.50-30,504,643.68

Finding the Fourth Proportional to 55,284,232.80, 76,291,720.50 and 30,504,643.68

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Solution

The fourth proportional to 55,284,232.80, 76,291,720.50 and 30,504,643.68 is: 42,096,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284,232.80 : 76,291,720.50 = 30,504,643.68 : x
  2. Step 2: Convert to fraction form
    55,284,232.80/76,291,720.50 = 30,504,643.68/x
  3. Step 3: Cross multiply
    55,284,232.80x = 76,291,720.50 × 30,504,643.68
  4. Step 4: Simplify right side
    55,284,232.80x = 2,327,251,749,586,651.50
  5. Step 5: Solve for x
    x = 2,327,251,749,586,651.50/55,284,232.80
  6. Step 6: Final answer
    x = 42,096,120.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.