Home / 70,892,182.62-106,328,824.44-19,769,920.38

Finding the Fourth Proportional to 70,892,182.62, 106,328,824.44 and 19,769,920.38

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Solution

The fourth proportional to 70,892,182.62, 106,328,824.44 and 19,769,920.38 is: 29,652,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892,182.62 : 106,328,824.44 = 19,769,920.38 : x
  2. Step 2: Convert to fraction form
    70,892,182.62/106,328,824.44 = 19,769,920.38/x
  3. Step 3: Cross multiply
    70,892,182.62x = 106,328,824.44 × 19,769,920.38
  4. Step 4: Simplify right side
    70,892,182.62x = 2,102,112,393,277,798
  5. Step 5: Solve for x
    x = 2,102,112,393,277,798/70,892,182.62
  6. Step 6: Final answer
    x = 29,652,245.36

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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.