Home / 81,853,513.20-122,797,328.40-27,283,051.80

Finding the Fourth Proportional to 81,853,513.20, 122,797,328.40 and 27,283,051.80

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Solution

The fourth proportional to 81,853,513.20, 122,797,328.40 and 27,283,051.80 is: 40,930,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,853,513.20 : 122,797,328.40 = 27,283,051.80 : x
  2. Step 2: Convert to fraction form
    81,853,513.20/122,797,328.40 = 27,283,051.80/x
  3. Step 3: Cross multiply
    81,853,513.20x = 122,797,328.40 × 27,283,051.80
  4. Step 4: Simplify right side
    81,853,513.20x = 3,350,285,871,638,811.50
  5. Step 5: Solve for x
    x = 3,350,285,871,638,811.50/81,853,513.20
  6. Step 6: Final answer
    x = 40,930,263.60

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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.