Home / 76,629,365.78-105,836,494.66-55,814,134.01

Finding the Fourth Proportional to 76,629,365.78, 105,836,494.66 and 55,814,134.01

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Solution

The fourth proportional to 76,629,365.78, 105,836,494.66 and 55,814,134.01 is: 77,087,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629,365.78 : 105,836,494.66 = 55,814,134.01 : x
  2. Step 2: Convert to fraction form
    76,629,365.78/105,836,494.66 = 55,814,134.01/x
  3. Step 3: Cross multiply
    76,629,365.78x = 105,836,494.66 × 55,814,134.01
  4. Step 4: Simplify right side
    76,629,365.78x = 5,907,172,295,433,172
  5. Step 5: Solve for x
    x = 5,907,172,295,433,172/76,629,365.78
  6. Step 6: Final answer
    x = 77,087,579.10

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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.