Home / 85,212,012.80-127,818,019.20-23,801,052.80

Finding the Fourth Proportional to 85,212,012.80, 127,818,019.20 and 23,801,052.80

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Solution

The fourth proportional to 85,212,012.80, 127,818,019.20 and 23,801,052.80 is: 35,701,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212,012.80 : 127,818,019.20 = 23,801,052.80 : x
  2. Step 2: Convert to fraction form
    85,212,012.80/127,818,019.20 = 23,801,052.80/x
  3. Step 3: Cross multiply
    85,212,012.80x = 127,818,019.20 × 23,801,052.80
  4. Step 4: Simplify right side
    85,212,012.80x = 3,042,203,423,770,614
  5. Step 5: Solve for x
    x = 3,042,203,423,770,614/85,212,012.80
  6. Step 6: Final answer
    x = 35,701,579.20

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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.