Home / 319,472,544.08-480,051,464.49-172,029,115.64

Finding the Fourth Proportional to 319,472,544.08, 480,051,464.49 and 172,029,115.64

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Solution

The fourth proportional to 319,472,544.08, 480,051,464.49 and 172,029,115.64 is: 258,497,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,472,544.08 : 480,051,464.49 = 172,029,115.64 : x
  2. Step 2: Convert to fraction form
    319,472,544.08/480,051,464.49 = 172,029,115.64/x
  3. Step 3: Cross multiply
    319,472,544.08x = 480,051,464.49 × 172,029,115.64
  4. Step 4: Simplify right side
    319,472,544.08x = 82,582,828,899,101,696
  5. Step 5: Solve for x
    x = 82,582,828,899,101,696/319,472,544.08
  6. Step 6: Final answer
    x = 258,497,421.54

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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.