Home / 203,796,057.40-281,200,266.18-120,190,537

Finding the Fourth Proportional to 203,796,057.40, 281,200,266.18 and 120,190,537

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Solution

The fourth proportional to 203,796,057.40, 281,200,266.18 and 120,190,537 is: 165,840,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,796,057.40 : 281,200,266.18 = 120,190,537 : x
  2. Step 2: Convert to fraction form
    203,796,057.40/281,200,266.18 = 120,190,537/x
  3. Step 3: Cross multiply
    203,796,057.40x = 281,200,266.18 × 120,190,537
  4. Step 4: Simplify right side
    203,796,057.40x = 33,797,610,996,717,140
  5. Step 5: Solve for x
    x = 33,797,610,996,717,140/203,796,057.40
  6. Step 6: Final answer
    x = 165,840,357.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.