Home / 78,458,087.25-108,273,151.89-43,179,952.95

Finding the Fourth Proportional to 78,458,087.25, 108,273,151.89 and 43,179,952.95

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Solution

The fourth proportional to 78,458,087.25, 108,273,151.89 and 43,179,952.95 is: 59,588,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,458,087.25 : 108,273,151.89 = 43,179,952.95 : x
  2. Step 2: Convert to fraction form
    78,458,087.25/108,273,151.89 = 43,179,952.95/x
  3. Step 3: Cross multiply
    78,458,087.25x = 108,273,151.89 × 43,179,952.95
  4. Step 4: Simplify right side
    78,458,087.25x = 4,675,229,604,358,404
  5. Step 5: Solve for x
    x = 4,675,229,604,358,404/78,458,087.25
  6. Step 6: Final answer
    x = 59,588,880.74

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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.