Home / 203,236,495.40-304,854,743.10-66,904,164.20

Finding the Fourth Proportional to 203,236,495.40, 304,854,743.10 and 66,904,164.20

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Solution

The fourth proportional to 203,236,495.40, 304,854,743.10 and 66,904,164.20 is: 100,356,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,236,495.40 : 304,854,743.10 = 66,904,164.20 : x
  2. Step 2: Convert to fraction form
    203,236,495.40/304,854,743.10 = 66,904,164.20/x
  3. Step 3: Cross multiply
    203,236,495.40x = 304,854,743.10 × 66,904,164.20
  4. Step 4: Simplify right side
    203,236,495.40x = 20,396,051,789,511,220
  5. Step 5: Solve for x
    x = 20,396,051,789,511,220/203,236,495.40
  6. Step 6: Final answer
    x = 100,356,246.30

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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.