Home / 320,919,468.75-442,879,814.84-179,796,640.01

Finding the Fourth Proportional to 320,919,468.75, 442,879,814.84 and 179,796,640.01

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Solution

The fourth proportional to 320,919,468.75, 442,879,814.84 and 179,796,640.01 is: 248,125,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,919,468.75 : 442,879,814.84 = 179,796,640.01 : x
  2. Step 2: Convert to fraction form
    320,919,468.75/442,879,814.84 = 179,796,640.01/x
  3. Step 3: Cross multiply
    320,919,468.75x = 442,879,814.84 × 179,796,640.01
  4. Step 4: Simplify right side
    320,919,468.75x = 79,628,302,633,369,552
  5. Step 5: Solve for x
    x = 79,628,302,633,369,552/320,919,468.75
  6. Step 6: Final answer
    x = 248,125,496.85

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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.