Home / 290,995,937.66-401,514,447.38-167,212,699.94

Finding the Fourth Proportional to 290,995,937.66, 401,514,447.38 and 167,212,699.94

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Solution

The fourth proportional to 290,995,937.66, 401,514,447.38 and 167,212,699.94 is: 230,719,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,995,937.66 : 401,514,447.38 = 167,212,699.94 : x
  2. Step 2: Convert to fraction form
    290,995,937.66/401,514,447.38 = 167,212,699.94/x
  3. Step 3: Cross multiply
    290,995,937.66x = 401,514,447.38 × 167,212,699.94
  4. Step 4: Simplify right side
    290,995,937.66x = 67,138,314,811,326,856
  5. Step 5: Solve for x
    x = 67,138,314,811,326,856/290,995,937.66
  6. Step 6: Final answer
    x = 230,719,079.28

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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.