Home / 288,307,197.22-397,870,356.33-164,545,391.14

Finding the Fourth Proportional to 288,307,197.22, 397,870,356.33 and 164,545,391.14

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Solution

The fourth proportional to 288,307,197.22, 397,870,356.33 and 164,545,391.14 is: 227,076,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,307,197.22 : 397,870,356.33 = 164,545,391.14 : x
  2. Step 2: Convert to fraction form
    288,307,197.22/397,870,356.33 = 164,545,391.14/x
  3. Step 3: Cross multiply
    288,307,197.22x = 397,870,356.33 × 164,545,391.14
  4. Step 4: Simplify right side
    288,307,197.22x = 65,467,733,405,331,016
  5. Step 5: Solve for x
    x = 65,467,733,405,331,016/288,307,197.22
  6. Step 6: Final answer
    x = 227,076,306.23

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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.