Home / 290,995,935.66-401,514,444.63-167,212,697.94

Finding the Fourth Proportional to 290,995,935.66, 401,514,444.63 and 167,212,697.94

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Solution

The fourth proportional to 290,995,935.66, 401,514,444.63 and 167,212,697.94 is: 230,719,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,995,935.66 : 401,514,444.63 = 167,212,697.94 : x
  2. Step 2: Convert to fraction form
    290,995,935.66/401,514,444.63 = 167,212,697.94/x
  3. Step 3: Cross multiply
    290,995,935.66x = 401,514,444.63 × 167,212,697.94
  4. Step 4: Simplify right side
    290,995,935.66x = 67,138,313,548,463,040
  5. Step 5: Solve for x
    x = 67,138,313,548,463,040/290,995,935.66
  6. Step 6: Final answer
    x = 230,719,076.53

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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.