Home / 339,709,613.07-509,565,748.14-103,361,488.05

Finding the Fourth Proportional to 339,709,613.07, 509,565,748.14 and 103,361,488.05

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Solution

The fourth proportional to 339,709,613.07, 509,565,748.14 and 103,361,488.05 is: 155,042,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,709,613.07 : 509,565,748.14 = 103,361,488.05 : x
  2. Step 2: Convert to fraction form
    339,709,613.07/509,565,748.14 = 103,361,488.05/x
  3. Step 3: Cross multiply
    339,709,613.07x = 509,565,748.14 × 103,361,488.05
  4. Step 4: Simplify right side
    339,709,613.07x = 52,669,473,987,061,920
  5. Step 5: Solve for x
    x = 52,669,473,987,061,920/339,709,613.07
  6. Step 6: Final answer
    x = 155,042,636.30

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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.