Home / 203,574,883,768.11-305,260,161,434.32-118,612,135,639.71

Finding the Fourth Proportional to 203,574,883,768.11, 305,260,161,434.32 and 118,612,135,639.71

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Solution

The fourth proportional to 203,574,883,768.11, 305,260,161,434.32 and 118,612,135,639.71 is: 177,858,677,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,574,883,768.11 : 305,260,161,434.32 = 118,612,135,639.71 : x
  2. Step 2: Convert to fraction form
    203,574,883,768.11/305,260,161,434.32 = 118,612,135,639.71/x
  3. Step 3: Cross multiply
    203,574,883,768.11x = 305,260,161,434.32 × 118,612,135,639.71
  4. Step 4: Simplify right side
    203,574,883,768.11x = 36,207,559,673,447,339,524,096
  5. Step 5: Solve for x
    x = 36,207,559,673,447,339,524,096/203,574,883,768.11
  6. Step 6: Final answer
    x = 177,858,677,864.66

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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.