Home / 113,467,441,147.80-170,201,161,721.70-68,770,843,848.60

Finding the Fourth Proportional to 113,467,441,147.80, 170,201,161,721.70 and 68,770,843,848.60

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Solution

The fourth proportional to 113,467,441,147.80, 170,201,161,721.70 and 68,770,843,848.60 is: 103,156,265,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,467,441,147.80 : 170,201,161,721.70 = 68,770,843,848.60 : x
  2. Step 2: Convert to fraction form
    113,467,441,147.80/170,201,161,721.70 = 68,770,843,848.60/x
  3. Step 3: Cross multiply
    113,467,441,147.80x = 170,201,161,721.70 × 68,770,843,848.60
  4. Step 4: Simplify right side
    113,467,441,147.80x = 11,704,877,515,613,348,560,896
  5. Step 5: Solve for x
    x = 11,704,877,515,613,348,560,896/113,467,441,147.80
  6. Step 6: Final answer
    x = 103,156,265,772.90

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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.