Home / 338,135,999.40-507,203,999.10-108,112,588.20

Finding the Fourth Proportional to 338,135,999.40, 507,203,999.10 and 108,112,588.20

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Solution

The fourth proportional to 338,135,999.40, 507,203,999.10 and 108,112,588.20 is: 162,168,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,135,999.40 : 507,203,999.10 = 108,112,588.20 : x
  2. Step 2: Convert to fraction form
    338,135,999.40/507,203,999.10 = 108,112,588.20/x
  3. Step 3: Cross multiply
    338,135,999.40x = 507,203,999.10 × 108,112,588.20
  4. Step 4: Simplify right side
    338,135,999.40x = 54,835,137,088,091,472
  5. Step 5: Solve for x
    x = 54,835,137,088,091,472/338,135,999.40
  6. Step 6: Final answer
    x = 162,168,882.30

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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.