Home / 103,729,884.46-143,147,291.72-57,320,138.84

Finding the Fourth Proportional to 103,729,884.46, 143,147,291.72 and 57,320,138.84

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Solution

The fourth proportional to 103,729,884.46, 143,147,291.72 and 57,320,138.84 is: 79,101,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,729,884.46 : 143,147,291.72 = 57,320,138.84 : x
  2. Step 2: Convert to fraction form
    103,729,884.46/143,147,291.72 = 57,320,138.84/x
  3. Step 3: Cross multiply
    103,729,884.46x = 143,147,291.72 × 57,320,138.84
  4. Step 4: Simplify right side
    103,729,884.46x = 8,205,222,634,958,046
  5. Step 5: Solve for x
    x = 8,205,222,634,958,046/103,729,884.46
  6. Step 6: Final answer
    x = 79,101,819.86

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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.