Home / 116,659,562.09-174,965,589.74-42,857,976.51

Finding the Fourth Proportional to 116,659,562.09, 174,965,589.74 and 42,857,976.51

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Solution

The fourth proportional to 116,659,562.09, 174,965,589.74 and 42,857,976.51 is: 64,278,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,659,562.09 : 174,965,589.74 = 42,857,976.51 : x
  2. Step 2: Convert to fraction form
    116,659,562.09/174,965,589.74 = 42,857,976.51/x
  3. Step 3: Cross multiply
    116,659,562.09x = 174,965,589.74 × 42,857,976.51
  4. Step 4: Simplify right side
    116,659,562.09x = 7,498,671,134,920,927
  5. Step 5: Solve for x
    x = 7,498,671,134,920,927/116,659,562.09
  6. Step 6: Final answer
    x = 64,278,238.33

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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.