Home / 60,498,287.40-90,747,431.10-20,115,004.20

Finding the Fourth Proportional to 60,498,287.40, 90,747,431.10 and 20,115,004.20

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Solution

The fourth proportional to 60,498,287.40, 90,747,431.10 and 20,115,004.20 is: 30,172,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,498,287.40 : 90,747,431.10 = 20,115,004.20 : x
  2. Step 2: Convert to fraction form
    60,498,287.40/90,747,431.10 = 20,115,004.20/x
  3. Step 3: Cross multiply
    60,498,287.40x = 90,747,431.10 × 20,115,004.20
  4. Step 4: Simplify right side
    60,498,287.40x = 1,825,384,957,715,710.50
  5. Step 5: Solve for x
    x = 1,825,384,957,715,710.50/60,498,287.40
  6. Step 6: Final answer
    x = 30,172,506.30

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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.