Home / 122,525,219.82-169,079,883.50-66,769,451.87

Finding the Fourth Proportional to 122,525,219.82, 169,079,883.50 and 66,769,451.87

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Solution

The fourth proportional to 122,525,219.82, 169,079,883.50 and 66,769,451.87 is: 92,139,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,525,219.82 : 169,079,883.50 = 66,769,451.87 : x
  2. Step 2: Convert to fraction form
    122,525,219.82/169,079,883.50 = 66,769,451.87/x
  3. Step 3: Cross multiply
    122,525,219.82x = 169,079,883.50 × 66,769,451.87
  4. Step 4: Simplify right side
    122,525,219.82x = 11,289,371,143,811,054
  5. Step 5: Solve for x
    x = 11,289,371,143,811,054/122,525,219.82
  6. Step 6: Final answer
    x = 92,139,162.54

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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.