Home / 290,995,936.66-401,514,446.01-167,212,698.94

Finding the Fourth Proportional to 290,995,936.66, 401,514,446.01 and 167,212,698.94

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Solution

The fourth proportional to 290,995,936.66, 401,514,446.01 and 167,212,698.94 is: 230,719,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,995,936.66 : 401,514,446.01 = 167,212,698.94 : x
  2. Step 2: Convert to fraction form
    290,995,936.66/401,514,446.01 = 167,212,698.94/x
  3. Step 3: Cross multiply
    290,995,936.66x = 401,514,446.01 × 167,212,698.94
  4. Step 4: Simplify right side
    290,995,936.66x = 67,138,314,180,731,008
  5. Step 5: Solve for x
    x = 67,138,314,180,731,008/290,995,936.66
  6. Step 6: Final answer
    x = 230,719,077.91

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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.