Home / 81,552,133.60-122,328,200.40-33,053,221.60

Finding the Fourth Proportional to 81,552,133.60, 122,328,200.40 and 33,053,221.60

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Solution

The fourth proportional to 81,552,133.60, 122,328,200.40 and 33,053,221.60 is: 49,579,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552,133.60 : 122,328,200.40 = 33,053,221.60 : x
  2. Step 2: Convert to fraction form
    81,552,133.60/122,328,200.40 = 33,053,221.60/x
  3. Step 3: Cross multiply
    81,552,133.60x = 122,328,200.40 × 33,053,221.60
  4. Step 4: Simplify right side
    81,552,133.60x = 4,043,341,115,750,409
  5. Step 5: Solve for x
    x = 4,043,341,115,750,409/81,552,133.60
  6. Step 6: Final answer
    x = 49,579,832.40

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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.