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Finding the Fourth Proportional to 220,062,637.80, 330,093,956.70 and 118,025,965.80

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Solution

The fourth proportional to 220,062,637.80, 330,093,956.70 and 118,025,965.80 is: 177,038,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,062,637.80 : 330,093,956.70 = 118,025,965.80 : x
  2. Step 2: Convert to fraction form
    220,062,637.80/330,093,956.70 = 118,025,965.80/x
  3. Step 3: Cross multiply
    220,062,637.80x = 330,093,956.70 × 118,025,965.80
  4. Step 4: Simplify right side
    220,062,637.80x = 38,959,658,044,260,880
  5. Step 5: Solve for x
    x = 38,959,658,044,260,880/220,062,637.80
  6. Step 6: Final answer
    x = 177,038,948.70

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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.