Home / 339,555,612.30-509,333,418.45-121,310,508.30

Finding the Fourth Proportional to 339,555,612.30, 509,333,418.45 and 121,310,508.30

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Solution

The fourth proportional to 339,555,612.30, 509,333,418.45 and 121,310,508.30 is: 181,965,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,555,612.30 : 509,333,418.45 = 121,310,508.30 : x
  2. Step 2: Convert to fraction form
    339,555,612.30/509,333,418.45 = 121,310,508.30/x
  3. Step 3: Cross multiply
    339,555,612.30x = 509,333,418.45 × 121,310,508.30
  4. Step 4: Simplify right side
    339,555,612.30x = 61,787,495,886,346,096
  5. Step 5: Solve for x
    x = 61,787,495,886,346,096/339,555,612.30
  6. Step 6: Final answer
    x = 181,965,762.45

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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.