Home / 351,019,945.80-526,529,918.70-169,621,417.80

Finding the Fourth Proportional to 351,019,945.80, 526,529,918.70 and 169,621,417.80

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Solution

The fourth proportional to 351,019,945.80, 526,529,918.70 and 169,621,417.80 is: 254,432,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,019,945.80 : 526,529,918.70 = 169,621,417.80 : x
  2. Step 2: Convert to fraction form
    351,019,945.80/526,529,918.70 = 169,621,417.80/x
  3. Step 3: Cross multiply
    351,019,945.80x = 526,529,918.70 × 169,621,417.80
  4. Step 4: Simplify right side
    351,019,945.80x = 89,310,751,324,012,736
  5. Step 5: Solve for x
    x = 89,310,751,324,012,736/351,019,945.80
  6. Step 6: Final answer
    x = 254,432,126.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.