Home / 79,691,616.72-119,525,527.80-22,177,890.72

Finding the Fourth Proportional to 79,691,616.72, 119,525,527.80 and 22,177,890.72

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Solution

The fourth proportional to 79,691,616.72, 119,525,527.80 and 22,177,890.72 is: 33,263,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,691,616.72 : 119,525,527.80 = 22,177,890.72 : x
  2. Step 2: Convert to fraction form
    79,691,616.72/119,525,527.80 = 22,177,890.72/x
  3. Step 3: Cross multiply
    79,691,616.72x = 119,525,527.80 × 22,177,890.72
  4. Step 4: Simplify right side
    79,691,616.72x = 2,650,824,093,798,722
  5. Step 5: Solve for x
    x = 2,650,824,093,798,722/79,691,616.72
  6. Step 6: Final answer
    x = 33,263,525.11

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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.