Home / 298,067,836.45-411,333,633.27-165,905,987.89

Finding the Fourth Proportional to 298,067,836.45, 411,333,633.27 and 165,905,987.89

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Solution

The fourth proportional to 298,067,836.45, 411,333,633.27 and 165,905,987.89 is: 228,950,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,067,836.45 : 411,333,633.27 = 165,905,987.89 : x
  2. Step 2: Convert to fraction form
    298,067,836.45/411,333,633.27 = 165,905,987.89/x
  3. Step 3: Cross multiply
    298,067,836.45x = 411,333,633.27 × 165,905,987.89
  4. Step 4: Simplify right side
    298,067,836.45x = 68,242,712,780,042,312
  5. Step 5: Solve for x
    x = 68,242,712,780,042,312/298,067,836.45
  6. Step 6: Final answer
    x = 228,950,273.85

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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.