Home / 55,201,721.49-76,178,896.68-30,422,814.66

Finding the Fourth Proportional to 55,201,721.49, 76,178,896.68 and 30,422,814.66

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Solution

The fourth proportional to 55,201,721.49, 76,178,896.68 and 30,422,814.66 is: 41,983,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201,721.49 : 76,178,896.68 = 30,422,814.66 : x
  2. Step 2: Convert to fraction form
    55,201,721.49/76,178,896.68 = 30,422,814.66/x
  3. Step 3: Cross multiply
    55,201,721.49x = 76,178,896.68 × 30,422,814.66
  4. Step 4: Simplify right side
    55,201,721.49x = 2,317,576,454,698,929.50
  5. Step 5: Solve for x
    x = 2,317,576,454,698,929.50/55,201,721.49
  6. Step 6: Final answer
    x = 41,983,771.38

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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.