Home / 288,252,235.80-397,816,535.52-164,511,425.88

Finding the Fourth Proportional to 288,252,235.80, 397,816,535.52 and 164,511,425.88

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Solution

The fourth proportional to 288,252,235.80, 397,816,535.52 and 164,511,425.88 is: 227,042,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,252,235.80 : 397,816,535.52 = 164,511,425.88 : x
  2. Step 2: Convert to fraction form
    288,252,235.80/397,816,535.52 = 164,511,425.88/x
  3. Step 3: Cross multiply
    288,252,235.80x = 397,816,535.52 × 164,511,425.88
  4. Step 4: Simplify right side
    288,252,235.80x = 65,445,365,497,036,864
  5. Step 5: Solve for x
    x = 65,445,365,497,036,864/288,252,235.80
  6. Step 6: Final answer
    x = 227,042,004.78

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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.