Home / 122,458,562.37-168,992,825.31-67,454,418.87

Finding the Fourth Proportional to 122,458,562.37, 168,992,825.31 and 67,454,418.87

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Solution

The fourth proportional to 122,458,562.37, 168,992,825.31 and 67,454,418.87 is: 93,087,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,458,562.37 : 168,992,825.31 = 67,454,418.87 : x
  2. Step 2: Convert to fraction form
    122,458,562.37/168,992,825.31 = 67,454,418.87/x
  3. Step 3: Cross multiply
    122,458,562.37x = 168,992,825.31 × 67,454,418.87
  4. Step 4: Simplify right side
    122,458,562.37x = 11,399,312,824,485,478
  5. Step 5: Solve for x
    x = 11,399,312,824,485,478/122,458,562.37
  6. Step 6: Final answer
    x = 93,087,103.13

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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.