Home / 101,222,863.58-151,770,493.29-85,875,527.90

Finding the Fourth Proportional to 101,222,863.58, 151,770,493.29 and 85,875,527.90

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Solution

The fourth proportional to 101,222,863.58, 151,770,493.29 and 85,875,527.90 is: 128,759,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,222,863.58 : 151,770,493.29 = 85,875,527.90 : x
  2. Step 2: Convert to fraction form
    101,222,863.58/151,770,493.29 = 85,875,527.90/x
  3. Step 3: Cross multiply
    101,222,863.58x = 151,770,493.29 × 85,875,527.90
  4. Step 4: Simplify right side
    101,222,863.58x = 13,033,371,230,922,158
  5. Step 5: Solve for x
    x = 13,033,371,230,922,158/101,222,863.58
  6. Step 6: Final answer
    x = 128,759,163.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.