Home / 77,845,067.10-116,767,600.65-49,179,620.70

Finding the Fourth Proportional to 77,845,067.10, 116,767,600.65 and 49,179,620.70

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Solution

The fourth proportional to 77,845,067.10, 116,767,600.65 and 49,179,620.70 is: 73,769,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,845,067.10 : 116,767,600.65 = 49,179,620.70 : x
  2. Step 2: Convert to fraction form
    77,845,067.10/116,767,600.65 = 49,179,620.70/x
  3. Step 3: Cross multiply
    77,845,067.10x = 116,767,600.65 × 49,179,620.70
  4. Step 4: Simplify right side
    77,845,067.10x = 5,742,586,310,016,074
  5. Step 5: Solve for x
    x = 5,742,586,310,016,074/77,845,067.10
  6. Step 6: Final answer
    x = 73,769,431.05

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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.