Home / 168,048,003.80-252,072,005.70-99,855,594.20

Finding the Fourth Proportional to 168,048,003.80, 252,072,005.70 and 99,855,594.20

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Solution

The fourth proportional to 168,048,003.80, 252,072,005.70 and 99,855,594.20 is: 149,783,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048,003.80 : 252,072,005.70 = 99,855,594.20 : x
  2. Step 2: Convert to fraction form
    168,048,003.80/252,072,005.70 = 99,855,594.20/x
  3. Step 3: Cross multiply
    168,048,003.80x = 252,072,005.70 × 99,855,594.20
  4. Step 4: Simplify right side
    168,048,003.80x = 25,170,799,910,359,288
  5. Step 5: Solve for x
    x = 25,170,799,910,359,288/168,048,003.80
  6. Step 6: Final answer
    x = 149,783,391.30

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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.