Home / 172,804,248.19-259,206,621.75-70,568,285.81

Finding the Fourth Proportional to 172,804,248.19, 259,206,621.75 and 70,568,285.81

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Solution

The fourth proportional to 172,804,248.19, 259,206,621.75 and 70,568,285.81 is: 105,852,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,804,248.19 : 259,206,621.75 = 70,568,285.81 : x
  2. Step 2: Convert to fraction form
    172,804,248.19/259,206,621.75 = 70,568,285.81/x
  3. Step 3: Cross multiply
    172,804,248.19x = 259,206,621.75 × 70,568,285.81
  4. Step 4: Simplify right side
    172,804,248.19x = 18,291,766,967,498,564
  5. Step 5: Solve for x
    x = 18,291,766,967,498,564/172,804,248.19
  6. Step 6: Final answer
    x = 105,852,530.59

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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.