Home / 298,067,836.95-411,333,633.96-165,905,988.39

Finding the Fourth Proportional to 298,067,836.95, 411,333,633.96 and 165,905,988.39

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Solution

The fourth proportional to 298,067,836.95, 411,333,633.96 and 165,905,988.39 is: 228,950,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,067,836.95 : 411,333,633.96 = 165,905,988.39 : x
  2. Step 2: Convert to fraction form
    298,067,836.95/411,333,633.96 = 165,905,988.39/x
  3. Step 3: Cross multiply
    298,067,836.95x = 411,333,633.96 × 165,905,988.39
  4. Step 4: Simplify right side
    298,067,836.95x = 68,242,713,100,184,264
  5. Step 5: Solve for x
    x = 68,242,713,100,184,264/298,067,836.95
  6. Step 6: Final answer
    x = 228,950,274.54

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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.