Home / 82,191,247.40-113,419,890.75-45,021,692.54

Finding the Fourth Proportional to 82,191,247.40, 113,419,890.75 and 45,021,692.54

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Solution

The fourth proportional to 82,191,247.40, 113,419,890.75 and 45,021,692.54 is: 62,127,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191,247.40 : 113,419,890.75 = 45,021,692.54 : x
  2. Step 2: Convert to fraction form
    82,191,247.40/113,419,890.75 = 45,021,692.54/x
  3. Step 3: Cross multiply
    82,191,247.40x = 113,419,890.75 × 45,021,692.54
  4. Step 4: Simplify right side
    82,191,247.40x = 5,106,355,449,266,890
  5. Step 5: Solve for x
    x = 5,106,355,449,266,890/82,191,247.40
  6. Step 6: Final answer
    x = 62,127,727.84

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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.