Home / 419,397,425.06-629,095,805.32-112,689,537.93

Finding the Fourth Proportional to 419,397,425.06, 629,095,805.32 and 112,689,537.93

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Solution

The fourth proportional to 419,397,425.06, 629,095,805.32 and 112,689,537.93 is: 169,034,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,397,425.06 : 629,095,805.32 = 112,689,537.93 : x
  2. Step 2: Convert to fraction form
    419,397,425.06/629,095,805.32 = 112,689,537.93/x
  3. Step 3: Cross multiply
    419,397,425.06x = 629,095,805.32 × 112,689,537.93
  4. Step 4: Simplify right side
    419,397,425.06x = 70,892,515,618,345,104
  5. Step 5: Solve for x
    x = 70,892,515,618,345,104/419,397,425.06
  6. Step 6: Final answer
    x = 169,034,217.62

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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.