Home / 171,073,040.80-256,609,561.20-102,880,631.20

Finding the Fourth Proportional to 171,073,040.80, 256,609,561.20 and 102,880,631.20

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Solution

The fourth proportional to 171,073,040.80, 256,609,561.20 and 102,880,631.20 is: 154,320,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,040.80 : 256,609,561.20 = 102,880,631.20 : x
  2. Step 2: Convert to fraction form
    171,073,040.80/256,609,561.20 = 102,880,631.20/x
  3. Step 3: Cross multiply
    171,073,040.80x = 256,609,561.20 × 102,880,631.20
  4. Step 4: Simplify right side
    171,073,040.80x = 26,400,153,628,211,028
  5. Step 5: Solve for x
    x = 26,400,153,628,211,028/171,073,040.80
  6. Step 6: Final answer
    x = 154,320,946.80

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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.