Home / 290,996,109.01-401,514,684.64-167,212,871.29

Finding the Fourth Proportional to 290,996,109.01, 401,514,684.64 and 167,212,871.29

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Solution

The fourth proportional to 290,996,109.01, 401,514,684.64 and 167,212,871.29 is: 230,719,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,996,109.01 : 401,514,684.64 = 167,212,871.29 : x
  2. Step 2: Convert to fraction form
    290,996,109.01/401,514,684.64 = 167,212,871.29/x
  3. Step 3: Cross multiply
    290,996,109.01x = 401,514,684.64 × 167,212,871.29
  4. Step 4: Simplify right side
    290,996,109.01x = 67,138,423,283,753,256
  5. Step 5: Solve for x
    x = 67,138,423,283,753,256/290,996,109.01
  6. Step 6: Final answer
    x = 230,719,316.19

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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.