Home / 110,717,786.40-166,076,679.60-82,019,972.40

Finding the Fourth Proportional to 110,717,786.40, 166,076,679.60 and 82,019,972.40

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Solution

The fourth proportional to 110,717,786.40, 166,076,679.60 and 82,019,972.40 is: 123,029,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,786.40 : 166,076,679.60 = 82,019,972.40 : x
  2. Step 2: Convert to fraction form
    110,717,786.40/166,076,679.60 = 82,019,972.40/x
  3. Step 3: Cross multiply
    110,717,786.40x = 166,076,679.60 × 82,019,972.40
  4. Step 4: Simplify right side
    110,717,786.40x = 13,621,604,677,075,644
  5. Step 5: Solve for x
    x = 13,621,604,677,075,644/110,717,786.40
  6. Step 6: Final answer
    x = 123,029,958.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.