Home / 31,504,817.40-47,257,226.10-20,158,078.20

Finding the Fourth Proportional to 31,504,817.40, 47,257,226.10 and 20,158,078.20

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Solution

The fourth proportional to 31,504,817.40, 47,257,226.10 and 20,158,078.20 is: 30,237,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,817.40 : 47,257,226.10 = 20,158,078.20 : x
  2. Step 2: Convert to fraction form
    31,504,817.40/47,257,226.10 = 20,158,078.20/x
  3. Step 3: Cross multiply
    31,504,817.40x = 47,257,226.10 × 20,158,078.20
  4. Step 4: Simplify right side
    31,504,817.40x = 952,614,859,238,881
  5. Step 5: Solve for x
    x = 952,614,859,238,881/31,504,817.40
  6. Step 6: Final answer
    x = 30,237,117.30

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Similar ratio
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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.