Home / 213,270,829.20-319,906,243.80-148,647,603.60

Finding the Fourth Proportional to 213,270,829.20, 319,906,243.80 and 148,647,603.60

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Solution

The fourth proportional to 213,270,829.20, 319,906,243.80 and 148,647,603.60 is: 222,971,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,270,829.20 : 319,906,243.80 = 148,647,603.60 : x
  2. Step 2: Convert to fraction form
    213,270,829.20/319,906,243.80 = 148,647,603.60/x
  3. Step 3: Cross multiply
    213,270,829.20x = 319,906,243.80 × 148,647,603.60
  4. Step 4: Simplify right side
    213,270,829.20x = 47,553,296,517,547,360
  5. Step 5: Solve for x
    x = 47,553,296,517,547,360/213,270,829.20
  6. Step 6: Final answer
    x = 222,971,405.40

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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.