Home / 68,669,563.69-102,988,365.72-25,559,069.77

Finding the Fourth Proportional to 68,669,563.69, 102,988,365.72 and 25,559,069.77

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Solution

The fourth proportional to 68,669,563.69, 102,988,365.72 and 25,559,069.77 is: 38,332,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,669,563.69 : 102,988,365.72 = 25,559,069.77 : x
  2. Step 2: Convert to fraction form
    68,669,563.69/102,988,365.72 = 25,559,069.77/x
  3. Step 3: Cross multiply
    68,669,563.69x = 102,988,365.72 × 25,559,069.77
  4. Step 4: Simplify right side
    68,669,563.69x = 2,632,286,824,935,756
  5. Step 5: Solve for x
    x = 2,632,286,824,935,756/68,669,563.69
  6. Step 6: Final answer
    x = 38,332,656.91

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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.