Home / 55,606,721.20-83,410,081.80-19,203,012.70

Finding the Fourth Proportional to 55,606,721.20, 83,410,081.80 and 19,203,012.70

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Solution

The fourth proportional to 55,606,721.20, 83,410,081.80 and 19,203,012.70 is: 28,804,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606,721.20 : 83,410,081.80 = 19,203,012.70 : x
  2. Step 2: Convert to fraction form
    55,606,721.20/83,410,081.80 = 19,203,012.70/x
  3. Step 3: Cross multiply
    55,606,721.20x = 83,410,081.80 × 19,203,012.70
  4. Step 4: Simplify right side
    55,606,721.20x = 1,601,724,860,113,438.75
  5. Step 5: Solve for x
    x = 1,601,724,860,113,438.75/55,606,721.20
  6. Step 6: Final answer
    x = 28,804,519.05

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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.