Home / 76,623,367.32-105,800,495.49-61,691,258.97

Finding the Fourth Proportional to 76,623,367.32, 105,800,495.49 and 61,691,258.97

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Solution

The fourth proportional to 76,623,367.32, 105,800,495.49 and 61,691,258.97 is: 85,182,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,367.32 : 105,800,495.49 = 61,691,258.97 : x
  2. Step 2: Convert to fraction form
    76,623,367.32/105,800,495.49 = 61,691,258.97/x
  3. Step 3: Cross multiply
    76,623,367.32x = 105,800,495.49 × 61,691,258.97
  4. Step 4: Simplify right side
    76,623,367.32x = 6,526,965,766,427,907
  5. Step 5: Solve for x
    x = 6,526,965,766,427,907/76,623,367.32
  6. Step 6: Final answer
    x = 85,182,444.92

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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.