Home / 289,301,272.37-399,268,874.26-162,176,285.65

Finding the Fourth Proportional to 289,301,272.37, 399,268,874.26 and 162,176,285.65

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Solution

The fourth proportional to 289,301,272.37, 399,268,874.26 and 162,176,285.65 is: 223,821,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,301,272.37 : 399,268,874.26 = 162,176,285.65 : x
  2. Step 2: Convert to fraction form
    289,301,272.37/399,268,874.26 = 162,176,285.65/x
  3. Step 3: Cross multiply
    289,301,272.37x = 399,268,874.26 × 162,176,285.65
  4. Step 4: Simplify right side
    289,301,272.37x = 64,751,943,003,143,696
  5. Step 5: Solve for x
    x = 64,751,943,003,143,696/289,301,272.37
  6. Step 6: Final answer
    x = 223,821,839.68

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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.