Home / 81,093,777.82-111,903,603.63-47,604,616.67

Finding the Fourth Proportional to 81,093,777.82, 111,903,603.63 and 47,604,616.67

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Solution

The fourth proportional to 81,093,777.82, 111,903,603.63 and 47,604,616.67 is: 65,690,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,093,777.82 : 111,903,603.63 = 47,604,616.67 : x
  2. Step 2: Convert to fraction form
    81,093,777.82/111,903,603.63 = 47,604,616.67/x
  3. Step 3: Cross multiply
    81,093,777.82x = 111,903,603.63 × 47,604,616.67
  4. Step 4: Simplify right side
    81,093,777.82x = 5,327,128,154,738,265
  5. Step 5: Solve for x
    x = 5,327,128,154,738,265/81,093,777.82
  6. Step 6: Final answer
    x = 65,690,960.49

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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.