Home / 307,738,784.72-424,679,614.32-166,609,976.96

Finding the Fourth Proportional to 307,738,784.72, 424,679,614.32 and 166,609,976.96

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Solution

The fourth proportional to 307,738,784.72, 424,679,614.32 and 166,609,976.96 is: 229,921,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,738,784.72 : 424,679,614.32 = 166,609,976.96 : x
  2. Step 2: Convert to fraction form
    307,738,784.72/424,679,614.32 = 166,609,976.96/x
  3. Step 3: Cross multiply
    307,738,784.72x = 424,679,614.32 × 166,609,976.96
  4. Step 4: Simplify right side
    307,738,784.72x = 70,755,860,757,236,888
  5. Step 5: Solve for x
    x = 70,755,860,757,236,888/307,738,784.72
  6. Step 6: Final answer
    x = 229,921,817.69

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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.