Home / 171,098,909.80-256,616,871.90-106,286,727.40

Finding the Fourth Proportional to 171,098,909.80, 256,616,871.90 and 106,286,727.40

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Solution

The fourth proportional to 171,098,909.80, 256,616,871.90 and 106,286,727.40 is: 159,410,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,098,909.80 : 256,616,871.90 = 106,286,727.40 : x
  2. Step 2: Convert to fraction form
    171,098,909.80/256,616,871.90 = 106,286,727.40/x
  3. Step 3: Cross multiply
    171,098,909.80x = 256,616,871.90 × 106,286,727.40
  4. Step 4: Simplify right side
    171,098,909.80x = 27,274,967,509,876,024
  5. Step 5: Solve for x
    x = 27,274,967,509,876,024/171,098,909.80
  6. Step 6: Final answer
    x = 159,410,527.76

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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.