Home / 77,768,120.62-107,323,266.83-44,728,378.97

Finding the Fourth Proportional to 77,768,120.62, 107,323,266.83 and 44,728,378.97

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Solution

The fourth proportional to 77,768,120.62, 107,323,266.83 and 44,728,378.97 is: 61,727,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768,120.62 : 107,323,266.83 = 44,728,378.97 : x
  2. Step 2: Convert to fraction form
    77,768,120.62/107,323,266.83 = 44,728,378.97/x
  3. Step 3: Cross multiply
    77,768,120.62x = 107,323,266.83 × 44,728,378.97
  4. Step 4: Simplify right side
    77,768,120.62x = 4,800,395,751,070,670
  5. Step 5: Solve for x
    x = 4,800,395,751,070,670/77,768,120.62
  6. Step 6: Final answer
    x = 61,727,038.18

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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.