Home / 143,804,656.77-198,454,323.60-88,049,016.33

Finding the Fourth Proportional to 143,804,656.77, 198,454,323.60 and 88,049,016.33

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Solution

The fourth proportional to 143,804,656.77, 198,454,323.60 and 88,049,016.33 is: 121,510,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,656.77 : 198,454,323.60 = 88,049,016.33 : x
  2. Step 2: Convert to fraction form
    143,804,656.77/198,454,323.60 = 88,049,016.33/x
  3. Step 3: Cross multiply
    143,804,656.77x = 198,454,323.60 × 88,049,016.33
  4. Step 4: Simplify right side
    143,804,656.77x = 17,473,707,979,415,504
  5. Step 5: Solve for x
    x = 17,473,707,979,415,504/143,804,656.77
  6. Step 6: Final answer
    x = 121,510,028.76

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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.