Home / 297,379,725.90-445,916,427.57-133,476,972.72

Finding the Fourth Proportional to 297,379,725.90, 445,916,427.57 and 133,476,972.72

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Solution

The fourth proportional to 297,379,725.90, 445,916,427.57 and 133,476,972.72 is: 200,146,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,379,725.90 : 445,916,427.57 = 133,476,972.72 : x
  2. Step 2: Convert to fraction form
    297,379,725.90/445,916,427.57 = 133,476,972.72/x
  3. Step 3: Cross multiply
    297,379,725.90x = 445,916,427.57 × 133,476,972.72
  4. Step 4: Simplify right side
    297,379,725.90x = 59,519,574,838,160,744
  5. Step 5: Solve for x
    x = 59,519,574,838,160,744/297,379,725.90
  6. Step 6: Final answer
    x = 200,146,713.63

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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.