Home / 289,250,042.22-399,189,675.62-163,824,549.75

Finding the Fourth Proportional to 289,250,042.22, 399,189,675.62 and 163,824,549.75

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Solution

The fourth proportional to 289,250,042.22, 399,189,675.62 and 163,824,549.75 is: 226,091,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,250,042.22 : 399,189,675.62 = 163,824,549.75 : x
  2. Step 2: Convert to fraction form
    289,250,042.22/399,189,675.62 = 163,824,549.75/x
  3. Step 3: Cross multiply
    289,250,042.22x = 399,189,675.62 × 163,824,549.75
  4. Step 4: Simplify right side
    289,250,042.22x = 65,397,068,873,704,616
  5. Step 5: Solve for x
    x = 65,397,068,873,704,616/289,250,042.22
  6. Step 6: Final answer
    x = 226,091,821.36

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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.