Home / 68,869,075.20-95,043,620.40-37,929,236.64

Finding the Fourth Proportional to 68,869,075.20, 95,043,620.40 and 37,929,236.64

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Solution

The fourth proportional to 68,869,075.20, 95,043,620.40 and 37,929,236.64 is: 52,344,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,869,075.20 : 95,043,620.40 = 37,929,236.64 : x
  2. Step 2: Convert to fraction form
    68,869,075.20/95,043,620.40 = 37,929,236.64/x
  3. Step 3: Cross multiply
    68,869,075.20x = 95,043,620.40 × 37,929,236.64
  4. Step 4: Simplify right side
    68,869,075.20x = 3,604,931,969,273,931.50
  5. Step 5: Solve for x
    x = 3,604,931,969,273,931.50/68,869,075.20
  6. Step 6: Final answer
    x = 52,344,712.90

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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.