Home / 259,879,279.66-358,633,405.93-149,870,992.66

Finding the Fourth Proportional to 259,879,279.66, 358,633,405.93 and 149,870,992.66

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Solution

The fourth proportional to 259,879,279.66, 358,633,405.93 and 149,870,992.66 is: 206,821,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,879,279.66 : 358,633,405.93 = 149,870,992.66 : x
  2. Step 2: Convert to fraction form
    259,879,279.66/358,633,405.93 = 149,870,992.66/x
  3. Step 3: Cross multiply
    259,879,279.66x = 358,633,405.93 × 149,870,992.66
  4. Step 4: Simplify right side
    259,879,279.66x = 53,748,744,547,765,832
  5. Step 5: Solve for x
    x = 53,748,744,547,765,832/259,879,279.66
  6. Step 6: Final answer
    x = 206,821,969.87

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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.