Home / 290,899,026.63-401,449,174.92-158,748,538.32

Finding the Fourth Proportional to 290,899,026.63, 401,449,174.92 and 158,748,538.32

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Solution

The fourth proportional to 290,899,026.63, 401,449,174.92 and 158,748,538.32 is: 219,077,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,899,026.63 : 401,449,174.92 = 158,748,538.32 : x
  2. Step 2: Convert to fraction form
    290,899,026.63/401,449,174.92 = 158,748,538.32/x
  3. Step 3: Cross multiply
    290,899,026.63x = 401,449,174.92 × 158,748,538.32
  4. Step 4: Simplify right side
    290,899,026.63x = 63,729,469,728,320,000
  5. Step 5: Solve for x
    x = 63,729,469,728,320,000/290,899,026.63
  6. Step 6: Final answer
    x = 219,077,631.39

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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.