Home / 36,780,101.20-55,170,151.80-31,040,538.40

Finding the Fourth Proportional to 36,780,101.20, 55,170,151.80 and 31,040,538.40

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Solution

The fourth proportional to 36,780,101.20, 55,170,151.80 and 31,040,538.40 is: 46,560,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780,101.20 : 55,170,151.80 = 31,040,538.40 : x
  2. Step 2: Convert to fraction form
    36,780,101.20/55,170,151.80 = 31,040,538.40/x
  3. Step 3: Cross multiply
    36,780,101.20x = 55,170,151.80 × 31,040,538.40
  4. Step 4: Simplify right side
    36,780,101.20x = 1,712,511,215,481,729
  5. Step 5: Solve for x
    x = 1,712,511,215,481,729/36,780,101.20
  6. Step 6: Final answer
    x = 46,560,807.60

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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.