Home / 171,072,000.20-256,608,000.30-105,315,033.80

Finding the Fourth Proportional to 171,072,000.20, 256,608,000.30 and 105,315,033.80

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Solution

The fourth proportional to 171,072,000.20, 256,608,000.30 and 105,315,033.80 is: 157,972,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,000.20 : 256,608,000.30 = 105,315,033.80 : x
  2. Step 2: Convert to fraction form
    171,072,000.20/256,608,000.30 = 105,315,033.80/x
  3. Step 3: Cross multiply
    171,072,000.20x = 256,608,000.30 × 105,315,033.80
  4. Step 4: Simplify right side
    171,072,000.20x = 27,024,680,224,944,912
  5. Step 5: Solve for x
    x = 27,024,680,224,944,912/171,072,000.20
  6. Step 6: Final answer
    x = 157,972,550.70

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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.