Home / 290,995,963.20-401,514,482.52-167,212,725.48

Finding the Fourth Proportional to 290,995,963.20, 401,514,482.52 and 167,212,725.48

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Solution

The fourth proportional to 290,995,963.20, 401,514,482.52 and 167,212,725.48 is: 230,719,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,995,963.20 : 401,514,482.52 = 167,212,725.48 : x
  2. Step 2: Convert to fraction form
    290,995,963.20/401,514,482.52 = 167,212,725.48/x
  3. Step 3: Cross multiply
    290,995,963.20x = 401,514,482.52 × 167,212,725.48
  4. Step 4: Simplify right side
    290,995,963.20x = 67,138,330,941,861,008
  5. Step 5: Solve for x
    x = 67,138,330,941,861,008/290,995,963.20
  6. Step 6: Final answer
    x = 230,719,114.46

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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.