Home / 55,395,860.80-83,093,791.20-31,507,988.80

Finding the Fourth Proportional to 55,395,860.80, 83,093,791.20 and 31,507,988.80

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Solution

The fourth proportional to 55,395,860.80, 83,093,791.20 and 31,507,988.80 is: 47,261,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395,860.80 : 83,093,791.20 = 31,507,988.80 : x
  2. Step 2: Convert to fraction form
    55,395,860.80/83,093,791.20 = 31,507,988.80/x
  3. Step 3: Cross multiply
    55,395,860.80x = 83,093,791.20 × 31,507,988.80
  4. Step 4: Simplify right side
    55,395,860.80x = 2,618,118,242,479,138.50
  5. Step 5: Solve for x
    x = 2,618,118,242,479,138.50/55,395,860.80
  6. Step 6: Final answer
    x = 47,261,983.20

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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.