Home / 55,606,721.70-83,410,082.55-19,203,013.20

Finding the Fourth Proportional to 55,606,721.70, 83,410,082.55 and 19,203,013.20

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Solution

The fourth proportional to 55,606,721.70, 83,410,082.55 and 19,203,013.20 is: 28,804,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606,721.70 : 83,410,082.55 = 19,203,013.20 : x
  2. Step 2: Convert to fraction form
    55,606,721.70/83,410,082.55 = 19,203,013.20/x
  3. Step 3: Cross multiply
    55,606,721.70x = 83,410,082.55 × 19,203,013.20
  4. Step 4: Simplify right side
    55,606,721.70x = 1,601,724,916,220,739.50
  5. Step 5: Solve for x
    x = 1,601,724,916,220,739.50/55,606,721.70
  6. Step 6: Final answer
    x = 28,804,519.80

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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.