Home / 147,177,790.78-203,096,198.37-81,094,590.96

Finding the Fourth Proportional to 147,177,790.78, 203,096,198.37 and 81,094,590.96

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Solution

The fourth proportional to 147,177,790.78, 203,096,198.37 and 81,094,590.96 is: 111,905,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,177,790.78 : 203,096,198.37 = 81,094,590.96 : x
  2. Step 2: Convert to fraction form
    147,177,790.78/203,096,198.37 = 81,094,590.96/x
  3. Step 3: Cross multiply
    147,177,790.78x = 203,096,198.37 × 81,094,590.96
  4. Step 4: Simplify right side
    147,177,790.78x = 16,470,003,131,888,662
  5. Step 5: Solve for x
    x = 16,470,003,131,888,662/147,177,790.78
  6. Step 6: Final answer
    x = 111,905,492.30

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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.