Home / 54,612,707.89-81,918,501.12-31,568,979.82

Finding the Fourth Proportional to 54,612,707.89, 81,918,501.12 and 31,568,979.82

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Solution

The fourth proportional to 54,612,707.89, 81,918,501.12 and 31,568,979.82 is: 47,353,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612,707.89 : 81,918,501.12 = 31,568,979.82 : x
  2. Step 2: Convert to fraction form
    54,612,707.89/81,918,501.12 = 31,568,979.82/x
  3. Step 3: Cross multiply
    54,612,707.89x = 81,918,501.12 × 31,568,979.82
  4. Step 4: Simplify right side
    54,612,707.89x = 2,586,083,508,460,292
  5. Step 5: Solve for x
    x = 2,586,083,508,460,292/54,612,707.89
  6. Step 6: Final answer
    x = 47,353,145.61

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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.