Home / 45,903,864.52-68,804,123.82-20,017,949.32

Finding the Fourth Proportional to 45,903,864.52, 68,804,123.82 and 20,017,949.32

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Solution

The fourth proportional to 45,903,864.52, 68,804,123.82 and 20,017,949.32 is: 30,004,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903,864.52 : 68,804,123.82 = 20,017,949.32 : x
  2. Step 2: Convert to fraction form
    45,903,864.52/68,804,123.82 = 20,017,949.32/x
  3. Step 3: Cross multiply
    45,903,864.52x = 68,804,123.82 × 20,017,949.32
  4. Step 4: Simplify right side
    45,903,864.52x = 1,377,317,463,635,764.75
  5. Step 5: Solve for x
    x = 1,377,317,463,635,764.75/45,903,864.52
  6. Step 6: Final answer
    x = 30,004,390.22

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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.