Home / 71,620,453.20-98,846,692.08-40,261,085.04

Finding the Fourth Proportional to 71,620,453.20, 98,846,692.08 and 40,261,085.04

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Solution

The fourth proportional to 71,620,453.20, 98,846,692.08 and 40,261,085.04 is: 55,566,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,620,453.20 : 98,846,692.08 = 40,261,085.04 : x
  2. Step 2: Convert to fraction form
    71,620,453.20/98,846,692.08 = 40,261,085.04/x
  3. Step 3: Cross multiply
    71,620,453.20x = 98,846,692.08 × 40,261,085.04
  4. Step 4: Simplify right side
    71,620,453.20x = 3,979,675,075,755,574.50
  5. Step 5: Solve for x
    x = 3,979,675,075,755,574.50/71,620,453.20
  6. Step 6: Final answer
    x = 55,566,181.14

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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.