Home / 285,388,783.98-393,829,822.71-167,921,722.14

Finding the Fourth Proportional to 285,388,783.98, 393,829,822.71 and 167,921,722.14

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Solution

The fourth proportional to 285,388,783.98, 393,829,822.71 and 167,921,722.14 is: 231,728,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,388,783.98 : 393,829,822.71 = 167,921,722.14 : x
  2. Step 2: Convert to fraction form
    285,388,783.98/393,829,822.71 = 167,921,722.14/x
  3. Step 3: Cross multiply
    285,388,783.98x = 393,829,822.71 × 167,921,722.14
  4. Step 4: Simplify right side
    285,388,783.98x = 66,132,582,059,554,072
  5. Step 5: Solve for x
    x = 66,132,582,059,554,072/285,388,783.98
  6. Step 6: Final answer
    x = 231,728,034.78

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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.