Home / 81,583,033.58-122,338,639.80-43,235,563.22

Finding the Fourth Proportional to 81,583,033.58, 122,338,639.80 and 43,235,563.22

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Solution

The fourth proportional to 81,583,033.58, 122,338,639.80 and 43,235,563.22 is: 64,834,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,583,033.58 : 122,338,639.80 = 43,235,563.22 : x
  2. Step 2: Convert to fraction form
    81,583,033.58/122,338,639.80 = 43,235,563.22/x
  3. Step 3: Cross multiply
    81,583,033.58x = 122,338,639.80 × 43,235,563.22
  4. Step 4: Simplify right side
    81,583,033.58x = 5,289,379,995,321,708
  5. Step 5: Solve for x
    x = 5,289,379,995,321,708/81,583,033.58
  6. Step 6: Final answer
    x = 64,834,313.74

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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.