Home / 79,951,815.08-110,333,541.78-43,282,386.12

Finding the Fourth Proportional to 79,951,815.08, 110,333,541.78 and 43,282,386.12

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Solution

The fourth proportional to 79,951,815.08, 110,333,541.78 and 43,282,386.12 is: 59,729,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,951,815.08 : 110,333,541.78 = 43,282,386.12 : x
  2. Step 2: Convert to fraction form
    79,951,815.08/110,333,541.78 = 43,282,386.12/x
  3. Step 3: Cross multiply
    79,951,815.08x = 110,333,541.78 × 43,282,386.12
  4. Step 4: Simplify right side
    79,951,815.08x = 4,775,498,957,309,112
  5. Step 5: Solve for x
    x = 4,775,498,957,309,112/79,951,815.08
  6. Step 6: Final answer
    x = 59,729,712.86

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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.