Home / 55,795,883.36-76,999,246.80-30,679,053.44

Finding the Fourth Proportional to 55,795,883.36, 76,999,246.80 and 30,679,053.44

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Solution

The fourth proportional to 55,795,883.36, 76,999,246.80 and 30,679,053.44 is: 42,337,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,795,883.36 : 76,999,246.80 = 30,679,053.44 : x
  2. Step 2: Convert to fraction form
    55,795,883.36/76,999,246.80 = 30,679,053.44/x
  3. Step 3: Cross multiply
    55,795,883.36x = 76,999,246.80 × 30,679,053.44
  4. Step 4: Simplify right side
    55,795,883.36x = 2,362,264,007,416,949
  5. Step 5: Solve for x
    x = 2,362,264,007,416,949/55,795,883.36
  6. Step 6: Final answer
    x = 42,337,603.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.