Home / 262,991,186.40-394,486,779.60-109,747,221.60

Finding the Fourth Proportional to 262,991,186.40, 394,486,779.60 and 109,747,221.60

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Solution

The fourth proportional to 262,991,186.40, 394,486,779.60 and 109,747,221.60 is: 164,620,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991,186.40 : 394,486,779.60 = 109,747,221.60 : x
  2. Step 2: Convert to fraction form
    262,991,186.40/394,486,779.60 = 109,747,221.60/x
  3. Step 3: Cross multiply
    262,991,186.40x = 394,486,779.60 × 109,747,221.60
  4. Step 4: Simplify right side
    262,991,186.40x = 43,293,828,019,031,560
  5. Step 5: Solve for x
    x = 43,293,828,019,031,560/262,991,186.40
  6. Step 6: Final answer
    x = 164,620,832.40

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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.