Home / 55,278,935.25-76,284,716.22-30,500,664.45

Finding the Fourth Proportional to 55,278,935.25, 76,284,716.22 and 30,500,664.45

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Solution

The fourth proportional to 55,278,935.25, 76,284,716.22 and 30,500,664.45 is: 42,090,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278,935.25 : 76,284,716.22 = 30,500,664.45 : x
  2. Step 2: Convert to fraction form
    55,278,935.25/76,284,716.22 = 30,500,664.45/x
  3. Step 3: Cross multiply
    55,278,935.25x = 76,284,716.22 × 30,500,664.45
  4. Step 4: Simplify right side
    55,278,935.25x = 2,326,734,532,089,692.50
  5. Step 5: Solve for x
    x = 2,326,734,532,089,692.50/55,278,935.25
  6. Step 6: Final answer
    x = 42,090,798.63

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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.