Home / 171,073,021.80-256,609,532.70-102,880,612.20

Finding the Fourth Proportional to 171,073,021.80, 256,609,532.70 and 102,880,612.20

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Solution

The fourth proportional to 171,073,021.80, 256,609,532.70 and 102,880,612.20 is: 154,320,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,021.80 : 256,609,532.70 = 102,880,612.20 : x
  2. Step 2: Convert to fraction form
    171,073,021.80/256,609,532.70 = 102,880,612.20/x
  3. Step 3: Cross multiply
    171,073,021.80x = 256,609,532.70 × 102,880,612.20
  4. Step 4: Simplify right side
    171,073,021.80x = 26,400,145,820,531,920
  5. Step 5: Solve for x
    x = 26,400,145,820,531,920/171,073,021.80
  6. Step 6: Final answer
    x = 154,320,918.30

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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.