Home / 293,641,831.09-405,236,380.85-168,218,267.43

Finding the Fourth Proportional to 293,641,831.09, 405,236,380.85 and 168,218,267.43

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Solution

The fourth proportional to 293,641,831.09, 405,236,380.85 and 168,218,267.43 is: 232,147,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,641,831.09 : 405,236,380.85 = 168,218,267.43 : x
  2. Step 2: Convert to fraction form
    293,641,831.09/405,236,380.85 = 168,218,267.43/x
  3. Step 3: Cross multiply
    293,641,831.09x = 405,236,380.85 × 168,218,267.43
  4. Step 4: Simplify right side
    293,641,831.09x = 68,168,161,887,499,992
  5. Step 5: Solve for x
    x = 68,168,161,887,499,992/293,641,831.09
  6. Step 6: Final answer
    x = 232,147,312.37

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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.