Home / 171,072,003.70-256,608,005.55-166,033,155.70

Finding the Fourth Proportional to 171,072,003.70, 256,608,005.55 and 166,033,155.70

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Solution

The fourth proportional to 171,072,003.70, 256,608,005.55 and 166,033,155.70 is: 249,049,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,003.70 : 256,608,005.55 = 166,033,155.70 : x
  2. Step 2: Convert to fraction form
    171,072,003.70/256,608,005.55 = 166,033,155.70/x
  3. Step 3: Cross multiply
    171,072,003.70x = 256,608,005.55 × 166,033,155.70
  4. Step 4: Simplify right side
    171,072,003.70x = 42,605,436,939,349,616
  5. Step 5: Solve for x
    x = 42,605,436,939,349,616/171,072,003.70
  6. Step 6: Final answer
    x = 249,049,733.55

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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.