Home / 217,280,168.80-325,920,253.20-102,488,912.80

Finding the Fourth Proportional to 217,280,168.80, 325,920,253.20 and 102,488,912.80

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Solution

The fourth proportional to 217,280,168.80, 325,920,253.20 and 102,488,912.80 is: 153,733,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,280,168.80 : 325,920,253.20 = 102,488,912.80 : x
  2. Step 2: Convert to fraction form
    217,280,168.80/325,920,253.20 = 102,488,912.80/x
  3. Step 3: Cross multiply
    217,280,168.80x = 325,920,253.20 × 102,488,912.80
  4. Step 4: Simplify right side
    217,280,168.80x = 33,403,212,409,968,720
  5. Step 5: Solve for x
    x = 33,403,212,409,968,720/217,280,168.80
  6. Step 6: Final answer
    x = 153,733,369.20

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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.