Home / 66,142,730.21-91,282,074.93-39,682,076.27

Finding the Fourth Proportional to 66,142,730.21, 91,282,074.93 and 39,682,076.27

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Solution

The fourth proportional to 66,142,730.21, 91,282,074.93 and 39,682,076.27 is: 54,764,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,730.21 : 91,282,074.93 = 39,682,076.27 : x
  2. Step 2: Convert to fraction form
    66,142,730.21/91,282,074.93 = 39,682,076.27/x
  3. Step 3: Cross multiply
    66,142,730.21x = 91,282,074.93 × 39,682,076.27
  4. Step 4: Simplify right side
    66,142,730.21x = 3,622,262,258,999,705
  5. Step 5: Solve for x
    x = 3,622,262,258,999,705/66,142,730.21
  6. Step 6: Final answer
    x = 54,764,329.32

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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.