Home / 76,227,692.28-105,194,880.87-41,420,381.88

Finding the Fourth Proportional to 76,227,692.28, 105,194,880.87 and 41,420,381.88

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Solution

The fourth proportional to 76,227,692.28, 105,194,880.87 and 41,420,381.88 is: 57,160,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227,692.28 : 105,194,880.87 = 41,420,381.88 : x
  2. Step 2: Convert to fraction form
    76,227,692.28/105,194,880.87 = 41,420,381.88/x
  3. Step 3: Cross multiply
    76,227,692.28x = 105,194,880.87 × 41,420,381.88
  4. Step 4: Simplify right side
    76,227,692.28x = 4,357,212,137,456,507
  5. Step 5: Solve for x
    x = 4,357,212,137,456,507/76,227,692.28
  6. Step 6: Final answer
    x = 57,160,488.62

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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.