Home / 168,501,620.80-252,752,431.20-149,018,075.20

Finding the Fourth Proportional to 168,501,620.80, 252,752,431.20 and 149,018,075.20

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Solution

The fourth proportional to 168,501,620.80, 252,752,431.20 and 149,018,075.20 is: 223,527,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501,620.80 : 252,752,431.20 = 149,018,075.20 : x
  2. Step 2: Convert to fraction form
    168,501,620.80/252,752,431.20 = 149,018,075.20/x
  3. Step 3: Cross multiply
    168,501,620.80x = 252,752,431.20 × 149,018,075.20
  4. Step 4: Simplify right side
    168,501,620.80x = 37,664,680,799,544,424
  5. Step 5: Solve for x
    x = 37,664,680,799,544,424/168,501,620.80
  6. Step 6: Final answer
    x = 223,527,112.80

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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.