Home / 290,901,905.64-401,453,169.12-158,751,431.64

Finding the Fourth Proportional to 290,901,905.64, 401,453,169.12 and 158,751,431.64

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Solution

The fourth proportional to 290,901,905.64, 401,453,169.12 and 158,751,431.64 is: 219,081,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,901,905.64 : 401,453,169.12 = 158,751,431.64 : x
  2. Step 2: Convert to fraction form
    290,901,905.64/401,453,169.12 = 158,751,431.64/x
  3. Step 3: Cross multiply
    290,901,905.64x = 401,453,169.12 × 158,751,431.64
  4. Step 4: Simplify right side
    290,901,905.64x = 63,731,265,334,215,032
  5. Step 5: Solve for x
    x = 63,731,265,334,215,032/290,901,905.64
  6. Step 6: Final answer
    x = 219,081,635.76

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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.