Home / 288,102,513.06-397,619,315.37-164,314,813.86

Finding the Fourth Proportional to 288,102,513.06, 397,619,315.37 and 164,314,813.86

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Solution

The fourth proportional to 288,102,513.06, 397,619,315.37 and 164,314,813.86 is: 226,776,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,102,513.06 : 397,619,315.37 = 164,314,813.86 : x
  2. Step 2: Convert to fraction form
    288,102,513.06/397,619,315.37 = 164,314,813.86/x
  3. Step 3: Cross multiply
    288,102,513.06x = 397,619,315.37 × 164,314,813.86
  4. Step 4: Simplify right side
    288,102,513.06x = 65,334,743,792,162,192
  5. Step 5: Solve for x
    x = 65,334,743,792,162,192/288,102,513.06
  6. Step 6: Final answer
    x = 226,776,028.78

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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.