Home / 291,640,485.96-437,556,519.72-119,262,283.20

Finding the Fourth Proportional to 291,640,485.96, 437,556,519.72 and 119,262,283.20

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Solution

The fourth proportional to 291,640,485.96, 437,556,519.72 and 119,262,283.20 is: 178,932,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,640,485.96 : 437,556,519.72 = 119,262,283.20 : x
  2. Step 2: Convert to fraction form
    291,640,485.96/437,556,519.72 = 119,262,283.20/x
  3. Step 3: Cross multiply
    291,640,485.96x = 437,556,519.72 × 119,262,283.20
  4. Step 4: Simplify right side
    291,640,485.96x = 52,183,989,570,853,032
  5. Step 5: Solve for x
    x = 52,183,989,570,853,032/291,640,485.96
  6. Step 6: Final answer
    x = 178,932,597.09

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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.