Home / 105,757,277.46-145,945,571.12-66,087,842.98

Finding the Fourth Proportional to 105,757,277.46, 145,945,571.12 and 66,087,842.98

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Solution

The fourth proportional to 105,757,277.46, 145,945,571.12 and 66,087,842.98 is: 91,201,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,757,277.46 : 145,945,571.12 = 66,087,842.98 : x
  2. Step 2: Convert to fraction form
    105,757,277.46/145,945,571.12 = 66,087,842.98/x
  3. Step 3: Cross multiply
    105,757,277.46x = 145,945,571.12 × 66,087,842.98
  4. Step 4: Simplify right side
    105,757,277.46x = 9,645,227,988,619,122
  5. Step 5: Solve for x
    x = 9,645,227,988,619,122/105,757,277.46
  6. Step 6: Final answer
    x = 91,201,553.41

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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.