Home / 168,048,216.30-252,072,324.45-40,397,400.30

Finding the Fourth Proportional to 168,048,216.30, 252,072,324.45 and 40,397,400.30

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Solution

The fourth proportional to 168,048,216.30, 252,072,324.45 and 40,397,400.30 is: 60,596,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048,216.30 : 252,072,324.45 = 40,397,400.30 : x
  2. Step 2: Convert to fraction form
    168,048,216.30/252,072,324.45 = 40,397,400.30/x
  3. Step 3: Cross multiply
    168,048,216.30x = 252,072,324.45 × 40,397,400.30
  4. Step 4: Simplify right side
    168,048,216.30x = 10,183,066,595,358,126
  5. Step 5: Solve for x
    x = 10,183,066,595,358,126/168,048,216.30
  6. Step 6: Final answer
    x = 60,596,100.45

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1.5x scale

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.