Home / 70,892,198.56-106,328,848.38-19,769,936.32

Finding the Fourth Proportional to 70,892,198.56, 106,328,848.38 and 19,769,936.32

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Solution

The fourth proportional to 70,892,198.56, 106,328,848.38 and 19,769,936.32 is: 29,652,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892,198.56 : 106,328,848.38 = 19,769,936.32 : x
  2. Step 2: Convert to fraction form
    70,892,198.56/106,328,848.38 = 19,769,936.32/x
  3. Step 3: Cross multiply
    70,892,198.56x = 106,328,848.38 × 19,769,936.32
  4. Step 4: Simplify right side
    70,892,198.56x = 2,102,114,561,451,535
  5. Step 5: Solve for x
    x = 2,102,114,561,451,535/70,892,198.56
  6. Step 6: Final answer
    x = 29,652,269.28

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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.