Home / 76,691,296.93-105,836,601.44-45,356,206.97

Finding the Fourth Proportional to 76,691,296.93, 105,836,601.44 and 45,356,206.97

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Solution

The fourth proportional to 76,691,296.93, 105,836,601.44 and 45,356,206.97 is: 62,593,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,296.93 : 105,836,601.44 = 45,356,206.97 : x
  2. Step 2: Convert to fraction form
    76,691,296.93/105,836,601.44 = 45,356,206.97/x
  3. Step 3: Cross multiply
    76,691,296.93x = 105,836,601.44 × 45,356,206.97
  4. Step 4: Simplify right side
    76,691,296.93x = 4,800,346,799,514,727
  5. Step 5: Solve for x
    x = 4,800,346,799,514,727/76,691,296.93
  6. Step 6: Final answer
    x = 62,593,110.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.