Home / 339,555,627.80-509,333,441.70-121,310,523.80

Finding the Fourth Proportional to 339,555,627.80, 509,333,441.70 and 121,310,523.80

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Solution

The fourth proportional to 339,555,627.80, 509,333,441.70 and 121,310,523.80 is: 181,965,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,555,627.80 : 509,333,441.70 = 121,310,523.80 : x
  2. Step 2: Convert to fraction form
    339,555,627.80/509,333,441.70 = 121,310,523.80/x
  3. Step 3: Cross multiply
    339,555,627.80x = 509,333,441.70 × 121,310,523.80
  4. Step 4: Simplify right side
    339,555,627.80x = 61,787,506,601,483,760
  5. Step 5: Solve for x
    x = 61,787,506,601,483,760/339,555,627.80
  6. Step 6: Final answer
    x = 181,965,785.70

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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.