Home / 288,307,198.22-397,870,357.71-164,545,392.14

Finding the Fourth Proportional to 288,307,198.22, 397,870,357.71 and 164,545,392.14

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Solution

The fourth proportional to 288,307,198.22, 397,870,357.71 and 164,545,392.14 is: 227,076,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,307,198.22 : 397,870,357.71 = 164,545,392.14 : x
  2. Step 2: Convert to fraction form
    288,307,198.22/397,870,357.71 = 164,545,392.14/x
  3. Step 3: Cross multiply
    288,307,198.22x = 397,870,357.71 × 164,545,392.14
  4. Step 4: Simplify right side
    288,307,198.22x = 65,467,734,030,274,016
  5. Step 5: Solve for x
    x = 65,467,734,030,274,016/288,307,198.22
  6. Step 6: Final answer
    x = 227,076,307.61

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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.