Home / 66,388,688.02-91,617,559.95-36,622,743.22

Finding the Fourth Proportional to 66,388,688.02, 91,617,559.95 and 36,622,743.22

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Solution

The fourth proportional to 66,388,688.02, 91,617,559.95 and 36,622,743.22 is: 50,540,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,388,688.02 : 91,617,559.95 = 36,622,743.22 : x
  2. Step 2: Convert to fraction form
    66,388,688.02/91,617,559.95 = 36,622,743.22/x
  3. Step 3: Cross multiply
    66,388,688.02x = 91,617,559.95 × 36,622,743.22
  4. Step 4: Simplify right side
    66,388,688.02x = 3,355,286,372,491,806
  5. Step 5: Solve for x
    x = 3,355,286,372,491,806/66,388,688.02
  6. Step 6: Final answer
    x = 50,540,031.33

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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.