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Finding the Fourth Proportional to 220,064,809.20, 330,097,213.80 and 133,971,367.20

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Solution

The fourth proportional to 220,064,809.20, 330,097,213.80 and 133,971,367.20 is: 200,957,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,064,809.20 : 330,097,213.80 = 133,971,367.20 : x
  2. Step 2: Convert to fraction form
    220,064,809.20/330,097,213.80 = 133,971,367.20/x
  3. Step 3: Cross multiply
    220,064,809.20x = 330,097,213.80 × 133,971,367.20
  4. Step 4: Simplify right side
    220,064,809.20x = 44,223,575,041,696,712
  5. Step 5: Solve for x
    x = 44,223,575,041,696,712/220,064,809.20
  6. Step 6: Final answer
    x = 200,957,050.80

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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.