Home / 339,969,387.60-509,954,081.40-109,961,722.80

Finding the Fourth Proportional to 339,969,387.60, 509,954,081.40 and 109,961,722.80

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Solution

The fourth proportional to 339,969,387.60, 509,954,081.40 and 109,961,722.80 is: 164,942,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,969,387.60 : 509,954,081.40 = 109,961,722.80 : x
  2. Step 2: Convert to fraction form
    339,969,387.60/509,954,081.40 = 109,961,722.80/x
  3. Step 3: Cross multiply
    339,969,387.60x = 509,954,081.40 × 109,961,722.80
  4. Step 4: Simplify right side
    339,969,387.60x = 56,075,429,339,635,432
  5. Step 5: Solve for x
    x = 56,075,429,339,635,432/339,969,387.60
  6. Step 6: Final answer
    x = 164,942,584.20

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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.