Home / 110,717,619.20-166,076,428.80-82,019,805.20

Finding the Fourth Proportional to 110,717,619.20, 166,076,428.80 and 82,019,805.20

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Solution

The fourth proportional to 110,717,619.20, 166,076,428.80 and 82,019,805.20 is: 123,029,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,619.20 : 166,076,428.80 = 82,019,805.20 : x
  2. Step 2: Convert to fraction form
    110,717,619.20/166,076,428.80 = 82,019,805.20/x
  3. Step 3: Cross multiply
    110,717,619.20x = 166,076,428.80 × 82,019,805.20
  4. Step 4: Simplify right side
    110,717,619.20x = 13,621,556,338,487,672
  5. Step 5: Solve for x
    x = 13,621,556,338,487,672/110,717,619.20
  6. Step 6: Final answer
    x = 123,029,707.80

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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.