Home / 298,067,837.95-411,333,635.34-165,905,989.39

Finding the Fourth Proportional to 298,067,837.95, 411,333,635.34 and 165,905,989.39

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Solution

The fourth proportional to 298,067,837.95, 411,333,635.34 and 165,905,989.39 is: 228,950,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,067,837.95 : 411,333,635.34 = 165,905,989.39 : x
  2. Step 2: Convert to fraction form
    298,067,837.95/411,333,635.34 = 165,905,989.39/x
  3. Step 3: Cross multiply
    298,067,837.95x = 411,333,635.34 × 165,905,989.39
  4. Step 4: Simplify right side
    298,067,837.95x = 68,242,713,740,468,160
  5. Step 5: Solve for x
    x = 68,242,713,740,468,160/298,067,837.95
  6. Step 6: Final answer
    x = 228,950,275.92

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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.