Home / 137,246,601.07-205,876,522.77-45,128,299.69

Finding the Fourth Proportional to 137,246,601.07, 205,876,522.77 and 45,128,299.69

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Solution

The fourth proportional to 137,246,601.07, 205,876,522.77 and 45,128,299.69 is: 67,694,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,601.07 : 205,876,522.77 = 45,128,299.69 : x
  2. Step 2: Convert to fraction form
    137,246,601.07/205,876,522.77 = 45,128,299.69/x
  3. Step 3: Cross multiply
    137,246,601.07x = 205,876,522.77 × 45,128,299.69
  4. Step 4: Simplify right side
    137,246,601.07x = 9,290,857,418,699,668
  5. Step 5: Solve for x
    x = 9,290,857,418,699,668/137,246,601.07
  6. Step 6: Final answer
    x = 67,694,626.65

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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.