Home / 420,870,125.32-580,821,016.26-232,694,937.25

Finding the Fourth Proportional to 420,870,125.32, 580,821,016.26 and 232,694,937.25

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Solution

The fourth proportional to 420,870,125.32, 580,821,016.26 and 232,694,937.25 is: 321,130,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,870,125.32 : 580,821,016.26 = 232,694,937.25 : x
  2. Step 2: Convert to fraction form
    420,870,125.32/580,821,016.26 = 232,694,937.25/x
  3. Step 3: Cross multiply
    420,870,125.32x = 580,821,016.26 × 232,694,937.25
  4. Step 4: Simplify right side
    420,870,125.32x = 135,154,109,932,826,240
  5. Step 5: Solve for x
    x = 135,154,109,932,826,240/420,870,125.32
  6. Step 6: Final answer
    x = 321,130,205.74

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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.