Home / 212,610,845.52-293,396,542.20-117,241,303.20

Finding the Fourth Proportional to 212,610,845.52, 293,396,542.20 and 117,241,303.20

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Solution

The fourth proportional to 212,610,845.52, 293,396,542.20 and 117,241,303.20 is: 161,789,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,610,845.52 : 293,396,542.20 = 117,241,303.20 : x
  2. Step 2: Convert to fraction form
    212,610,845.52/293,396,542.20 = 117,241,303.20/x
  3. Step 3: Cross multiply
    212,610,845.52x = 293,396,542.20 × 117,241,303.20
  4. Step 4: Simplify right side
    212,610,845.52x = 34,398,192,961,901,796
  5. Step 5: Solve for x
    x = 34,398,192,961,901,796/212,610,845.52
  6. Step 6: Final answer
    x = 161,789,455.65

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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.