Home / 171,072,012.70-256,608,019.05-166,033,164.70

Finding the Fourth Proportional to 171,072,012.70, 256,608,019.05 and 166,033,164.70

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Solution

The fourth proportional to 171,072,012.70, 256,608,019.05 and 166,033,164.70 is: 249,049,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,012.70 : 256,608,019.05 = 166,033,164.70 : x
  2. Step 2: Convert to fraction form
    171,072,012.70/256,608,019.05 = 166,033,164.70/x
  3. Step 3: Cross multiply
    171,072,012.70x = 256,608,019.05 × 166,033,164.70
  4. Step 4: Simplify right side
    171,072,012.70x = 42,605,441,490,269,384
  5. Step 5: Solve for x
    x = 42,605,441,490,269,384/171,072,012.70
  6. Step 6: Final answer
    x = 249,049,747.05

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Similar ratio
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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.