Home / 171,072,011.70-256,608,017.55-166,033,163.70

Finding the Fourth Proportional to 171,072,011.70, 256,608,017.55 and 166,033,163.70

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Solution

The fourth proportional to 171,072,011.70, 256,608,017.55 and 166,033,163.70 is: 249,049,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,011.70 : 256,608,017.55 = 166,033,163.70 : x
  2. Step 2: Convert to fraction form
    171,072,011.70/256,608,017.55 = 166,033,163.70/x
  3. Step 3: Cross multiply
    171,072,011.70x = 256,608,017.55 × 166,033,163.70
  4. Step 4: Simplify right side
    171,072,011.70x = 42,605,440,984,611,624
  5. Step 5: Solve for x
    x = 42,605,440,984,611,624/171,072,011.70
  6. Step 6: Final answer
    x = 249,049,745.55

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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.