Home / 212,895,653.18-293,794,290.18-123,595,883.42

Finding the Fourth Proportional to 212,895,653.18, 293,794,290.18 and 123,595,883.42

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Solution

The fourth proportional to 212,895,653.18, 293,794,290.18 and 123,595,883.42 is: 170,561,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,895,653.18 : 293,794,290.18 = 123,595,883.42 : x
  2. Step 2: Convert to fraction form
    212,895,653.18/293,794,290.18 = 123,595,883.42/x
  3. Step 3: Cross multiply
    212,895,653.18x = 293,794,290.18 × 123,595,883.42
  4. Step 4: Simplify right side
    212,895,653.18x = 36,311,764,838,548,936
  5. Step 5: Solve for x
    x = 36,311,764,838,548,936/212,895,653.18
  6. Step 6: Final answer
    x = 170,561,325.68

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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.