Home / 163,278,101.16-225,323,791.92-89,939,243.16

Finding the Fourth Proportional to 163,278,101.16, 225,323,791.92 and 89,939,243.16

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Solution

The fourth proportional to 163,278,101.16, 225,323,791.92 and 89,939,243.16 is: 124,116,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,278,101.16 : 225,323,791.92 = 89,939,243.16 : x
  2. Step 2: Convert to fraction form
    163,278,101.16/225,323,791.92 = 89,939,243.16/x
  3. Step 3: Cross multiply
    163,278,101.16x = 225,323,791.92 × 89,939,243.16
  4. Step 4: Simplify right side
    163,278,101.16x = 20,265,451,311,226,120
  5. Step 5: Solve for x
    x = 20,265,451,311,226,120/163,278,101.16
  6. Step 6: Final answer
    x = 124,116,162.35

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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.