Home / 298,067,838.46-411,333,636.04-165,905,989.90

Finding the Fourth Proportional to 298,067,838.46, 411,333,636.04 and 165,905,989.90

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Solution

The fourth proportional to 298,067,838.46, 411,333,636.04 and 165,905,989.90 is: 228,950,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,067,838.46 : 411,333,636.04 = 165,905,989.90 : x
  2. Step 2: Convert to fraction form
    298,067,838.46/411,333,636.04 = 165,905,989.90/x
  3. Step 3: Cross multiply
    298,067,838.46x = 411,333,636.04 × 165,905,989.90
  4. Step 4: Simplify right side
    298,067,838.46x = 68,242,714,066,382,520
  5. Step 5: Solve for x
    x = 68,242,714,066,382,520/298,067,838.46
  6. Step 6: Final answer
    x = 228,950,276.62

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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.