Home / 105,757,282.35-145,945,577.87-66,087,847.88

Finding the Fourth Proportional to 105,757,282.35, 145,945,577.87 and 66,087,847.88

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Solution

The fourth proportional to 105,757,282.35, 145,945,577.87 and 66,087,847.88 is: 91,201,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,757,282.35 : 145,945,577.87 = 66,087,847.88 : x
  2. Step 2: Convert to fraction form
    105,757,282.35/145,945,577.87 = 66,087,847.88/x
  3. Step 3: Cross multiply
    105,757,282.35x = 145,945,577.87 × 66,087,847.88
  4. Step 4: Simplify right side
    105,757,282.35x = 9,645,229,147,971,088
  5. Step 5: Solve for x
    x = 9,645,229,147,971,088/105,757,282.35
  6. Step 6: Final answer
    x = 91,201,560.15

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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.