Home / 122,458,571.40-168,992,837.70-67,454,427.88

Finding the Fourth Proportional to 122,458,571.40, 168,992,837.70 and 67,454,427.88

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Solution

The fourth proportional to 122,458,571.40, 168,992,837.70 and 67,454,427.88 is: 93,087,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,458,571.40 : 168,992,837.70 = 67,454,427.88 : x
  2. Step 2: Convert to fraction form
    122,458,571.40/168,992,837.70 = 67,454,427.88/x
  3. Step 3: Cross multiply
    122,458,571.40x = 168,992,837.70 × 67,454,427.88
  4. Step 4: Simplify right side
    122,458,571.40x = 11,399,315,182,871,194
  5. Step 5: Solve for x
    x = 11,399,315,182,871,194/122,458,571.40
  6. Step 6: Final answer
    x = 93,087,115.52

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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.