Home / 82,191,225-113,419,859.94-45,021,670.19

Finding the Fourth Proportional to 82,191,225, 113,419,859.94 and 45,021,670.19

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Solution

The fourth proportional to 82,191,225, 113,419,859.94 and 45,021,670.19 is: 62,127,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191,225 : 113,419,859.94 = 45,021,670.19 : x
  2. Step 2: Convert to fraction form
    82,191,225/113,419,859.94 = 45,021,670.19/x
  3. Step 3: Cross multiply
    82,191,225x = 113,419,859.94 × 45,021,670.19
  4. Step 4: Simplify right side
    82,191,225x = 5,106,351,526,647,574
  5. Step 5: Solve for x
    x = 5,106,351,526,647,574/82,191,225
  6. Step 6: Final answer
    x = 62,127,697.05

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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.