Home / 278,727,699.84-384,665,771.52-167,222,736.96

Finding the Fourth Proportional to 278,727,699.84, 384,665,771.52 and 167,222,736.96

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Solution

The fourth proportional to 278,727,699.84, 384,665,771.52 and 167,222,736.96 is: 230,780,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,727,699.84 : 384,665,771.52 = 167,222,736.96 : x
  2. Step 2: Convert to fraction form
    278,727,699.84/384,665,771.52 = 167,222,736.96/x
  3. Step 3: Cross multiply
    278,727,699.84x = 384,665,771.52 × 167,222,736.96
  4. Step 4: Simplify right side
    278,727,699.84x = 64,324,863,128,404,416
  5. Step 5: Solve for x
    x = 64,324,863,128,404,416/278,727,699.84
  6. Step 6: Final answer
    x = 230,780,303.38

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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.