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Finding the Fourth Proportional to 66,263,692.14, 99,391,799.79 and 29,364,954.71

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Solution

The fourth proportional to 66,263,692.14, 99,391,799.79 and 29,364,954.71 is: 44,045,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,263,692.14 : 99,391,799.79 = 29,364,954.71 : x
  2. Step 2: Convert to fraction form
    66,263,692.14/99,391,799.79 = 29,364,954.71/x
  3. Step 3: Cross multiply
    66,263,692.14x = 99,391,799.79 × 29,364,954.71
  4. Step 4: Simplify right side
    66,263,692.14x = 2,918,635,698,881,778.50
  5. Step 5: Solve for x
    x = 2,918,635,698,881,778.50/66,263,692.14
  6. Step 6: Final answer
    x = 44,045,775.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.