Home / 151,498,070.32-209,067,426.55-84,517,028.68

Finding the Fourth Proportional to 151,498,070.32, 209,067,426.55 and 84,517,028.68

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Solution

The fourth proportional to 151,498,070.32, 209,067,426.55 and 84,517,028.68 is: 116,633,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,498,070.32 : 209,067,426.55 = 84,517,028.68 : x
  2. Step 2: Convert to fraction form
    151,498,070.32/209,067,426.55 = 84,517,028.68/x
  3. Step 3: Cross multiply
    151,498,070.32x = 209,067,426.55 × 84,517,028.68
  4. Step 4: Simplify right side
    151,498,070.32x = 17,669,757,685,780,146
  5. Step 5: Solve for x
    x = 17,669,757,685,780,146/151,498,070.32
  6. Step 6: Final answer
    x = 116,633,549.51

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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.