Home / 171,548,287.20-257,370,469.20-69,384,088.80

Finding the Fourth Proportional to 171,548,287.20, 257,370,469.20 and 69,384,088.80

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Solution

The fourth proportional to 171,548,287.20, 257,370,469.20 and 69,384,088.80 is: 104,095,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,548,287.20 : 257,370,469.20 = 69,384,088.80 : x
  2. Step 2: Convert to fraction form
    171,548,287.20/257,370,469.20 = 69,384,088.80/x
  3. Step 3: Cross multiply
    171,548,287.20x = 257,370,469.20 × 69,384,088.80
  4. Step 4: Simplify right side
    171,548,287.20x = 17,857,415,489,470,464
  5. Step 5: Solve for x
    x = 17,857,415,489,470,464/171,548,287.20
  6. Step 6: Final answer
    x = 104,095,562.72

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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.