Home / 304,489,345.51-420,199,327.85-165,261,776.23

Finding the Fourth Proportional to 304,489,345.51, 420,199,327.85 and 165,261,776.23

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Solution

The fourth proportional to 304,489,345.51, 420,199,327.85 and 165,261,776.23 is: 228,063,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,489,345.51 : 420,199,327.85 = 165,261,776.23 : x
  2. Step 2: Convert to fraction form
    304,489,345.51/420,199,327.85 = 165,261,776.23/x
  3. Step 3: Cross multiply
    304,489,345.51x = 420,199,327.85 × 165,261,776.23
  4. Step 4: Simplify right side
    304,489,345.51x = 69,442,887,291,143,104
  5. Step 5: Solve for x
    x = 69,442,887,291,143,104/304,489,345.51
  6. Step 6: Final answer
    x = 228,063,439.05

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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.