Home / 69,803,324.48-104,716,338.08-20,624,168

Finding the Fourth Proportional to 69,803,324.48, 104,716,338.08 and 20,624,168

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Solution

The fourth proportional to 69,803,324.48, 104,716,338.08 and 20,624,168 is: 30,939,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,803,324.48 : 104,716,338.08 = 20,624,168 : x
  2. Step 2: Convert to fraction form
    69,803,324.48/104,716,338.08 = 20,624,168/x
  3. Step 3: Cross multiply
    69,803,324.48x = 104,716,338.08 × 20,624,168
  4. Step 4: Simplify right side
    69,803,324.48x = 2,159,687,348,906,717.50
  5. Step 5: Solve for x
    x = 2,159,687,348,906,717.50/69,803,324.48
  6. Step 6: Final answer
    x = 30,939,605.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.