Home / 209,827,067.94-289,613,257.38-142,956,685.26

Finding the Fourth Proportional to 209,827,067.94, 289,613,257.38 and 142,956,685.26

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Solution

The fourth proportional to 209,827,067.94, 289,613,257.38 and 142,956,685.26 is: 197,315,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,827,067.94 : 289,613,257.38 = 142,956,685.26 : x
  2. Step 2: Convert to fraction form
    209,827,067.94/289,613,257.38 = 142,956,685.26/x
  3. Step 3: Cross multiply
    209,827,067.94x = 289,613,257.38 × 142,956,685.26
  4. Step 4: Simplify right side
    209,827,067.94x = 41,402,151,282,396,032
  5. Step 5: Solve for x
    x = 41,402,151,282,396,032/209,827,067.94
  6. Step 6: Final answer
    x = 197,315,587.97

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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.