Home / 122,567,194.70-169,141,352.85-66,811,394.34

Finding the Fourth Proportional to 122,567,194.70, 169,141,352.85 and 66,811,394.34

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Solution

The fourth proportional to 122,567,194.70, 169,141,352.85 and 66,811,394.34 is: 92,198,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,567,194.70 : 169,141,352.85 = 66,811,394.34 : x
  2. Step 2: Convert to fraction form
    122,567,194.70/169,141,352.85 = 66,811,394.34/x
  3. Step 3: Cross multiply
    122,567,194.70x = 169,141,352.85 × 66,811,394.34
  4. Step 4: Simplify right side
    122,567,194.70x = 11,300,569,624,462,434
  5. Step 5: Solve for x
    x = 11,300,569,624,462,434/122,567,194.70
  6. Step 6: Final answer
    x = 92,198,974.22

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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.