Home / 103,887,221.96-143,368,586.34-57,476,720

Finding the Fourth Proportional to 103,887,221.96, 143,368,586.34 and 57,476,720

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Solution

The fourth proportional to 103,887,221.96, 143,368,586.34 and 57,476,720 is: 79,320,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,887,221.96 : 143,368,586.34 = 57,476,720 : x
  2. Step 2: Convert to fraction form
    103,887,221.96/143,368,586.34 = 57,476,720/x
  3. Step 3: Cross multiply
    103,887,221.96x = 143,368,586.34 × 57,476,720
  4. Step 4: Simplify right side
    103,887,221.96x = 8,240,356,093,860,005
  5. Step 5: Solve for x
    x = 8,240,356,093,860,005/103,887,221.96
  6. Step 6: Final answer
    x = 79,320,208.38

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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.