Home / 168,048,005.80-252,072,008.70-99,855,596.20

Finding the Fourth Proportional to 168,048,005.80, 252,072,008.70 and 99,855,596.20

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Solution

The fourth proportional to 168,048,005.80, 252,072,008.70 and 99,855,596.20 is: 149,783,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048,005.80 : 252,072,008.70 = 99,855,596.20 : x
  2. Step 2: Convert to fraction form
    168,048,005.80/252,072,008.70 = 99,855,596.20/x
  3. Step 3: Cross multiply
    168,048,005.80x = 252,072,008.70 × 99,855,596.20
  4. Step 4: Simplify right side
    168,048,005.80x = 25,170,800,714,070,088
  5. Step 5: Solve for x
    x = 25,170,800,714,070,088/168,048,005.80
  6. Step 6: Final answer
    x = 149,783,394.30

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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.