Home / 103,788,495.37-143,231,112.89-57,381,738.65

Finding the Fourth Proportional to 103,788,495.37, 143,231,112.89 and 57,381,738.65

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Solution

The fourth proportional to 103,788,495.37, 143,231,112.89 and 57,381,738.65 is: 79,188,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,788,495.37 : 143,231,112.89 = 57,381,738.65 : x
  2. Step 2: Convert to fraction form
    103,788,495.37/143,231,112.89 = 57,381,738.65/x
  3. Step 3: Cross multiply
    103,788,495.37x = 143,231,112.89 × 57,381,738.65
  4. Step 4: Simplify right side
    103,788,495.37x = 8,218,850,286,877,398
  5. Step 5: Solve for x
    x = 8,218,850,286,877,398/103,788,495.37
  6. Step 6: Final answer
    x = 79,188,452.03

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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.