Home / 228,338,531.36-342,411,219.06-91,987,304.48

Finding the Fourth Proportional to 228,338,531.36, 342,411,219.06 and 91,987,304.48

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Solution

The fourth proportional to 228,338,531.36, 342,411,219.06 and 91,987,304.48 is: 137,942,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,338,531.36 : 342,411,219.06 = 91,987,304.48 : x
  2. Step 2: Convert to fraction form
    228,338,531.36/342,411,219.06 = 91,987,304.48/x
  3. Step 3: Cross multiply
    228,338,531.36x = 342,411,219.06 × 91,987,304.48
  4. Step 4: Simplify right side
    228,338,531.36x = 31,497,485,065,040,200
  5. Step 5: Solve for x
    x = 31,497,485,065,040,200/228,338,531.36
  6. Step 6: Final answer
    x = 137,942,049.80

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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.