Home / 78,878,583.41-108,858,077.91-43,595,629.52

Finding the Fourth Proportional to 78,878,583.41, 108,858,077.91 and 43,595,629.52

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Solution

The fourth proportional to 78,878,583.41, 108,858,077.91 and 43,595,629.52 is: 60,165,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,878,583.41 : 108,858,077.91 = 43,595,629.52 : x
  2. Step 2: Convert to fraction form
    78,878,583.41/108,858,077.91 = 43,595,629.52/x
  3. Step 3: Cross multiply
    78,878,583.41x = 108,858,077.91 × 43,595,629.52
  4. Step 4: Simplify right side
    78,878,583.41x = 4,745,736,434,279,365
  5. Step 5: Solve for x
    x = 4,745,736,434,279,365/78,878,583.41
  6. Step 6: Final answer
    x = 60,165,081.95

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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.