Home / 171,072,001.70-256,608,002.55-166,033,153.70

Finding the Fourth Proportional to 171,072,001.70, 256,608,002.55 and 166,033,153.70

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Solution

The fourth proportional to 171,072,001.70, 256,608,002.55 and 166,033,153.70 is: 249,049,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,001.70 : 256,608,002.55 = 166,033,153.70 : x
  2. Step 2: Convert to fraction form
    171,072,001.70/256,608,002.55 = 166,033,153.70/x
  3. Step 3: Cross multiply
    171,072,001.70x = 256,608,002.55 × 166,033,153.70
  4. Step 4: Simplify right side
    171,072,001.70x = 42,605,435,928,034,144
  5. Step 5: Solve for x
    x = 42,605,435,928,034,144/171,072,001.70
  6. Step 6: Final answer
    x = 249,049,730.55

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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.