Home / 72,702,571.13-100,329,072-41,340,622.41

Finding the Fourth Proportional to 72,702,571.13, 100,329,072 and 41,340,622.41

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Solution

The fourth proportional to 72,702,571.13, 100,329,072 and 41,340,622.41 is: 57,049,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,702,571.13 : 100,329,072 = 41,340,622.41 : x
  2. Step 2: Convert to fraction form
    72,702,571.13/100,329,072 = 41,340,622.41/x
  3. Step 3: Cross multiply
    72,702,571.13x = 100,329,072 × 41,340,622.41
  4. Step 4: Simplify right side
    72,702,571.13x = 4,147,666,282,297,703
  5. Step 5: Solve for x
    x = 4,147,666,282,297,703/72,702,571.13
  6. Step 6: Final answer
    x = 57,049,788.17

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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.