Home / 203,749,646.81-281,199,921.27-115,672,158.41

Finding the Fourth Proportional to 203,749,646.81, 281,199,921.27 and 115,672,158.41

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Solution

The fourth proportional to 203,749,646.81, 281,199,921.27 and 115,672,158.41 is: 159,642,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,749,646.81 : 281,199,921.27 = 115,672,158.41 : x
  2. Step 2: Convert to fraction form
    203,749,646.81/281,199,921.27 = 115,672,158.41/x
  3. Step 3: Cross multiply
    203,749,646.81x = 281,199,921.27 × 115,672,158.41
  4. Step 4: Simplify right side
    203,749,646.81x = 32,527,001,836,183,200
  5. Step 5: Solve for x
    x = 32,527,001,836,183,200/203,749,646.81
  6. Step 6: Final answer
    x = 159,642,003.54

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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.