Home / 103,907,983.84-143,394,293.14-57,502,555.72

Finding the Fourth Proportional to 103,907,983.84, 143,394,293.14 and 57,502,555.72

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Solution

The fourth proportional to 103,907,983.84, 143,394,293.14 and 57,502,555.72 is: 79,354,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,907,983.84 : 143,394,293.14 = 57,502,555.72 : x
  2. Step 2: Convert to fraction form
    103,907,983.84/143,394,293.14 = 57,502,555.72/x
  3. Step 3: Cross multiply
    103,907,983.84x = 143,394,293.14 × 57,502,555.72
  4. Step 4: Simplify right side
    103,907,983.84x = 8,245,538,331,212,863
  5. Step 5: Solve for x
    x = 8,245,538,331,212,863/103,907,983.84
  6. Step 6: Final answer
    x = 79,354,232.72

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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.