Home / 212,882,979.62-293,777,960.92-118,796,136.77

Finding the Fourth Proportional to 212,882,979.62, 293,777,960.92 and 118,796,136.77

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Solution

The fourth proportional to 212,882,979.62, 293,777,960.92 and 118,796,136.77 is: 163,938,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,882,979.62 : 293,777,960.92 = 118,796,136.77 : x
  2. Step 2: Convert to fraction form
    212,882,979.62/293,777,960.92 = 118,796,136.77/x
  3. Step 3: Cross multiply
    212,882,979.62x = 293,777,960.92 × 118,796,136.77
  4. Step 4: Simplify right side
    212,882,979.62x = 34,899,686,825,245,304
  5. Step 5: Solve for x
    x = 34,899,686,825,245,304/212,882,979.62
  6. Step 6: Final answer
    x = 163,938,361.29

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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.