Home / 104,238,168.39-143,788,907.79-65,011,843.53

Finding the Fourth Proportional to 104,238,168.39, 143,788,907.79 and 65,011,843.53

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Solution

The fourth proportional to 104,238,168.39, 143,788,907.79 and 65,011,843.53 is: 89,679,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,168.39 : 143,788,907.79 = 65,011,843.53 : x
  2. Step 2: Convert to fraction form
    104,238,168.39/143,788,907.79 = 65,011,843.53/x
  3. Step 3: Cross multiply
    104,238,168.39x = 143,788,907.79 × 65,011,843.53
  4. Step 4: Simplify right side
    104,238,168.39x = 9,347,981,974,593,078
  5. Step 5: Solve for x
    x = 9,347,981,974,593,078/104,238,168.39
  6. Step 6: Final answer
    x = 89,679,069.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.