Home / 81,650,795.60-122,476,193.40-55,784,709.20

Finding the Fourth Proportional to 81,650,795.60, 122,476,193.40 and 55,784,709.20

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Solution

The fourth proportional to 81,650,795.60, 122,476,193.40 and 55,784,709.20 is: 83,677,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,795.60 : 122,476,193.40 = 55,784,709.20 : x
  2. Step 2: Convert to fraction form
    81,650,795.60/122,476,193.40 = 55,784,709.20/x
  3. Step 3: Cross multiply
    81,650,795.60x = 122,476,193.40 × 55,784,709.20
  4. Step 4: Simplify right side
    81,650,795.60x = 6,832,298,832,741,960
  5. Step 5: Solve for x
    x = 6,832,298,832,741,960/81,650,795.60
  6. Step 6: Final answer
    x = 83,677,063.80

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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.