Home / 69,762,399.21-96,281,278.25-40,004,692.57

Finding the Fourth Proportional to 69,762,399.21, 96,281,278.25 and 40,004,692.57

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Solution

The fourth proportional to 69,762,399.21, 96,281,278.25 and 40,004,692.57 is: 55,211,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,762,399.21 : 96,281,278.25 = 40,004,692.57 : x
  2. Step 2: Convert to fraction form
    69,762,399.21/96,281,278.25 = 40,004,692.57/x
  3. Step 3: Cross multiply
    69,762,399.21x = 96,281,278.25 × 40,004,692.57
  4. Step 4: Simplify right side
    69,762,399.21x = 3,851,702,936,637,877.50
  5. Step 5: Solve for x
    x = 3,851,702,936,637,877.50/69,762,399.21
  6. Step 6: Final answer
    x = 55,211,732.68

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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.