Home / 448,056,749.21-672,183,834.05-137,166,716.66

Finding the Fourth Proportional to 448,056,749.21, 672,183,834.05 and 137,166,716.66

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Solution

The fourth proportional to 448,056,749.21, 672,183,834.05 and 137,166,716.66 is: 205,780,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,056,749.21 : 672,183,834.05 = 137,166,716.66 : x
  2. Step 2: Convert to fraction form
    448,056,749.21/672,183,834.05 = 137,166,716.66/x
  3. Step 3: Cross multiply
    448,056,749.21x = 672,183,834.05 × 137,166,716.66
  4. Step 4: Simplify right side
    448,056,749.21x = 92,201,249,505,550,816
  5. Step 5: Solve for x
    x = 92,201,249,505,550,816/448,056,749.21
  6. Step 6: Final answer
    x = 205,780,293.83

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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.