Home / 293,534,176.47-405,066,838.05-161,374,214.67

Finding the Fourth Proportional to 293,534,176.47, 405,066,838.05 and 161,374,214.67

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Solution

The fourth proportional to 293,534,176.47, 405,066,838.05 and 161,374,214.67 is: 222,690,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,534,176.47 : 405,066,838.05 = 161,374,214.67 : x
  2. Step 2: Convert to fraction form
    293,534,176.47/405,066,838.05 = 161,374,214.67/x
  3. Step 3: Cross multiply
    293,534,176.47x = 405,066,838.05 × 161,374,214.67
  4. Step 4: Simplify right side
    293,534,176.47x = 65,367,342,879,178,824
  5. Step 5: Solve for x
    x = 65,367,342,879,178,824/293,534,176.47
  6. Step 6: Final answer
    x = 222,690,739.68

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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.