Home / 323,458,934.91-485,010,720.05-159,335,568.51

Finding the Fourth Proportional to 323,458,934.91, 485,010,720.05 and 159,335,568.51

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Solution

The fourth proportional to 323,458,934.91, 485,010,720.05 and 159,335,568.51 is: 238,915,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,458,934.91 : 485,010,720.05 = 159,335,568.51 : x
  2. Step 2: Convert to fraction form
    323,458,934.91/485,010,720.05 = 159,335,568.51/x
  3. Step 3: Cross multiply
    323,458,934.91x = 485,010,720.05 × 159,335,568.51
  4. Step 4: Simplify right side
    323,458,934.91x = 77,279,458,811,814,528
  5. Step 5: Solve for x
    x = 77,279,458,811,814,528/323,458,934.91
  6. Step 6: Final answer
    x = 238,915,826.62

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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.