Home / 82,603,857.18-113,993,381.10-45,436,964.97

Finding the Fourth Proportional to 82,603,857.18, 113,993,381.10 and 45,436,964.97

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Solution

The fourth proportional to 82,603,857.18, 113,993,381.10 and 45,436,964.97 is: 62,703,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,603,857.18 : 113,993,381.10 = 45,436,964.97 : x
  2. Step 2: Convert to fraction form
    82,603,857.18/113,993,381.10 = 45,436,964.97/x
  3. Step 3: Cross multiply
    82,603,857.18x = 113,993,381.10 × 45,436,964.97
  4. Step 4: Simplify right side
    82,603,857.18x = 5,179,513,263,852,560
  5. Step 5: Solve for x
    x = 5,179,513,263,852,560/82,603,857.18
  6. Step 6: Final answer
    x = 62,703,043.67

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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.