Home / 290,996,108.01-401,514,683.27-167,212,870.29

Finding the Fourth Proportional to 290,996,108.01, 401,514,683.27 and 167,212,870.29

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Solution

The fourth proportional to 290,996,108.01, 401,514,683.27 and 167,212,870.29 is: 230,719,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,996,108.01 : 401,514,683.27 = 167,212,870.29 : x
  2. Step 2: Convert to fraction form
    290,996,108.01/401,514,683.27 = 167,212,870.29/x
  3. Step 3: Cross multiply
    290,996,108.01x = 401,514,683.27 × 167,212,870.29
  4. Step 4: Simplify right side
    290,996,108.01x = 67,138,422,652,320,872
  5. Step 5: Solve for x
    x = 67,138,422,652,320,872/290,996,108.01
  6. Step 6: Final answer
    x = 230,719,314.81

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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.