Home / 308,640,312.86-425,924,053.52-167,511,535.43

Finding the Fourth Proportional to 308,640,312.86, 425,924,053.52 and 167,511,535.43

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Solution

The fourth proportional to 308,640,312.86, 425,924,053.52 and 167,511,535.43 is: 231,166,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,640,312.86 : 425,924,053.52 = 167,511,535.43 : x
  2. Step 2: Convert to fraction form
    308,640,312.86/425,924,053.52 = 167,511,535.43/x
  3. Step 3: Cross multiply
    308,640,312.86x = 425,924,053.52 × 167,511,535.43
  4. Step 4: Simplify right side
    308,640,312.86x = 71,347,192,178,737,520
  5. Step 5: Solve for x
    x = 71,347,192,178,737,520/308,640,312.86
  6. Step 6: Final answer
    x = 231,166,147.80

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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.