Home / 315,245,481.12-435,065,664.24-176,043,147.12

Finding the Fourth Proportional to 315,245,481.12, 435,065,664.24 and 176,043,147.12

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Solution

The fourth proportional to 315,245,481.12, 435,065,664.24 and 176,043,147.12 is: 242,954,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,245,481.12 : 435,065,664.24 = 176,043,147.12 : x
  2. Step 2: Convert to fraction form
    315,245,481.12/435,065,664.24 = 176,043,147.12/x
  3. Step 3: Cross multiply
    315,245,481.12x = 435,065,664.24 × 176,043,147.12
  4. Step 4: Simplify right side
    315,245,481.12x = 76,590,328,736,662,848
  5. Step 5: Solve for x
    x = 76,590,328,736,662,848/315,245,481.12
  6. Step 6: Final answer
    x = 242,954,565.01

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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.