Home / 55,519,896.04-76,619,850.84-30,740,083.40

Finding the Fourth Proportional to 55,519,896.04, 76,619,850.84 and 30,740,083.40

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Solution

The fourth proportional to 55,519,896.04, 76,619,850.84 and 30,740,083.40 is: 42,422,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,896.04 : 76,619,850.84 = 30,740,083.40 : x
  2. Step 2: Convert to fraction form
    55,519,896.04/76,619,850.84 = 30,740,083.40/x
  3. Step 3: Cross multiply
    55,519,896.04x = 76,619,850.84 × 30,740,083.40
  4. Step 4: Simplify right side
    55,519,896.04x = 2,355,300,604,917,160
  5. Step 5: Solve for x
    x = 2,355,300,604,917,160/55,519,896.04
  6. Step 6: Final answer
    x = 42,422,640.76

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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.