Home / 168,048,212.80-252,072,319.20-40,397,396.80

Finding the Fourth Proportional to 168,048,212.80, 252,072,319.20 and 40,397,396.80

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Solution

The fourth proportional to 168,048,212.80, 252,072,319.20 and 40,397,396.80 is: 60,596,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048,212.80 : 252,072,319.20 = 40,397,396.80 : x
  2. Step 2: Convert to fraction form
    168,048,212.80/252,072,319.20 = 40,397,396.80/x
  3. Step 3: Cross multiply
    168,048,212.80x = 252,072,319.20 × 40,397,396.80
  4. Step 4: Simplify right side
    168,048,212.80x = 10,183,065,501,018,658
  5. Step 5: Solve for x
    x = 10,183,065,501,018,658/168,048,212.80
  6. Step 6: Final answer
    x = 60,596,095.20

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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.