Home / 192,733,796.39-288,749,943.32-172,071,370.31

Finding the Fourth Proportional to 192,733,796.39, 288,749,943.32 and 172,071,370.31

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Solution

The fourth proportional to 192,733,796.39, 288,749,943.32 and 172,071,370.31 is: 257,793,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,733,796.39 : 288,749,943.32 = 172,071,370.31 : x
  2. Step 2: Convert to fraction form
    192,733,796.39/288,749,943.32 = 172,071,370.31/x
  3. Step 3: Cross multiply
    192,733,796.39x = 288,749,943.32 × 172,071,370.31
  4. Step 4: Simplify right side
    192,733,796.39x = 49,685,598,421,703,128
  5. Step 5: Solve for x
    x = 49,685,598,421,703,128/192,733,796.39
  6. Step 6: Final answer
    x = 257,793,907.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.