Home / 171,097,409.80-256,709,100.30-56,085,704.20

Finding the Fourth Proportional to 171,097,409.80, 256,709,100.30 and 56,085,704.20

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Solution

The fourth proportional to 171,097,409.80, 256,709,100.30 and 56,085,704.20 is: 84,149,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,097,409.80 : 256,709,100.30 = 56,085,704.20 : x
  2. Step 2: Convert to fraction form
    171,097,409.80/256,709,100.30 = 56,085,704.20/x
  3. Step 3: Cross multiply
    171,097,409.80x = 256,709,100.30 × 56,085,704.20
  4. Step 4: Simplify right side
    171,097,409.80x = 14,397,710,664,873,932
  5. Step 5: Solve for x
    x = 14,397,710,664,873,932/171,097,409.80
  6. Step 6: Final answer
    x = 84,149,202.97

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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.