Home / 37,153,456.80-55,730,185.20-20,147,344.80

Finding the Fourth Proportional to 37,153,456.80, 55,730,185.20 and 20,147,344.80

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Solution

The fourth proportional to 37,153,456.80, 55,730,185.20 and 20,147,344.80 is: 30,221,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153,456.80 : 55,730,185.20 = 20,147,344.80 : x
  2. Step 2: Convert to fraction form
    37,153,456.80/55,730,185.20 = 20,147,344.80/x
  3. Step 3: Cross multiply
    37,153,456.80x = 55,730,185.20 × 20,147,344.80
  4. Step 4: Simplify right side
    37,153,456.80x = 1,122,815,256,992,257
  5. Step 5: Solve for x
    x = 1,122,815,256,992,257/37,153,456.80
  6. Step 6: Final answer
    x = 30,221,017.20

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1.5x scale

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.