Home / 122,542,511.40-183,561,824.70-84,247,266.60

Finding the Fourth Proportional to 122,542,511.40, 183,561,824.70 and 84,247,266.60

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Solution

The fourth proportional to 122,542,511.40, 183,561,824.70 and 84,247,266.60 is: 126,197,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,542,511.40 : 183,561,824.70 = 84,247,266.60 : x
  2. Step 2: Convert to fraction form
    122,542,511.40/183,561,824.70 = 84,247,266.60/x
  3. Step 3: Cross multiply
    122,542,511.40x = 183,561,824.70 × 84,247,266.60
  4. Step 4: Simplify right side
    122,542,511.40x = 15,464,581,983,083,362
  5. Step 5: Solve for x
    x = 15,464,581,983,083,362/122,542,511.40
  6. Step 6: Final answer
    x = 126,197,690.96

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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.