Home / 61,229,986.20-91,719,008.10-30,954,907.80

Finding the Fourth Proportional to 61,229,986.20, 91,719,008.10 and 30,954,907.80

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Solution

The fourth proportional to 61,229,986.20, 91,719,008.10 and 30,954,907.80 is: 46,368,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,229,986.20 : 91,719,008.10 = 30,954,907.80 : x
  2. Step 2: Convert to fraction form
    61,229,986.20/91,719,008.10 = 30,954,907.80/x
  3. Step 3: Cross multiply
    61,229,986.20x = 91,719,008.10 × 30,954,907.80
  4. Step 4: Simplify right side
    61,229,986.20x = 2,839,153,439,242,953
  5. Step 5: Solve for x
    x = 2,839,153,439,242,953/61,229,986.20
  6. Step 6: Final answer
    x = 46,368,676.78

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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.