Home / 303,438,936.25-454,974,091.56-118,985,434.39

Finding the Fourth Proportional to 303,438,936.25, 454,974,091.56 and 118,985,434.39

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Solution

The fourth proportional to 303,438,936.25, 454,974,091.56 and 118,985,434.39 is: 178,405,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,438,936.25 : 454,974,091.56 = 118,985,434.39 : x
  2. Step 2: Convert to fraction form
    303,438,936.25/454,974,091.56 = 118,985,434.39/x
  3. Step 3: Cross multiply
    303,438,936.25x = 454,974,091.56 × 118,985,434.39
  4. Step 4: Simplify right side
    303,438,936.25x = 54,135,289,920,462,232
  5. Step 5: Solve for x
    x = 54,135,289,920,462,232/303,438,936.25
  6. Step 6: Final answer
    x = 178,405,878.26

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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.