Home / 211,425,721.84-317,100,786.54-134,520,304.24

Finding the Fourth Proportional to 211,425,721.84, 317,100,786.54 and 134,520,304.24

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Solution

The fourth proportional to 211,425,721.84, 317,100,786.54 and 134,520,304.24 is: 201,756,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,425,721.84 : 317,100,786.54 = 134,520,304.24 : x
  2. Step 2: Convert to fraction form
    211,425,721.84/317,100,786.54 = 134,520,304.24/x
  3. Step 3: Cross multiply
    211,425,721.84x = 317,100,786.54 × 134,520,304.24
  4. Step 4: Simplify right side
    211,425,721.84x = 42,656,494,280,104,104
  5. Step 5: Solve for x
    x = 42,656,494,280,104,104/211,425,721.84
  6. Step 6: Final answer
    x = 201,756,408.39

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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.