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Finding the Fourth Proportional to 230,907,751.80, 345,878,738.10 and 108,190,807.80

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Solution

The fourth proportional to 230,907,751.80, 345,878,738.10 and 108,190,807.80 is: 162,059,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,907,751.80 : 345,878,738.10 = 108,190,807.80 : x
  2. Step 2: Convert to fraction form
    230,907,751.80/345,878,738.10 = 108,190,807.80/x
  3. Step 3: Cross multiply
    230,907,751.80x = 345,878,738.10 × 108,190,807.80
  4. Step 4: Simplify right side
    230,907,751.80x = 37,420,900,075,883,640
  5. Step 5: Solve for x
    x = 37,420,900,075,883,640/230,907,751.80
  6. Step 6: Final answer
    x = 162,059,955.91

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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.