Home / 192,996,535.20-289,494,802.80-172,589,200.80

Finding the Fourth Proportional to 192,996,535.20, 289,494,802.80 and 172,589,200.80

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Solution

The fourth proportional to 192,996,535.20, 289,494,802.80 and 172,589,200.80 is: 258,883,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,996,535.20 : 289,494,802.80 = 172,589,200.80 : x
  2. Step 2: Convert to fraction form
    192,996,535.20/289,494,802.80 = 172,589,200.80/x
  3. Step 3: Cross multiply
    192,996,535.20x = 289,494,802.80 × 172,589,200.80
  4. Step 4: Simplify right side
    192,996,535.20x = 49,963,676,651,005,608
  5. Step 5: Solve for x
    x = 49,963,676,651,005,608/192,996,535.20
  6. Step 6: Final answer
    x = 258,883,801.20

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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.