Home / 102,205,996.88-141,043,558.17-55,796,250.80

Finding the Fourth Proportional to 102,205,996.88, 141,043,558.17 and 55,796,250.80

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Solution

The fourth proportional to 102,205,996.88, 141,043,558.17 and 55,796,250.80 is: 76,998,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,205,996.88 : 141,043,558.17 = 55,796,250.80 : x
  2. Step 2: Convert to fraction form
    102,205,996.88/141,043,558.17 = 55,796,250.80/x
  3. Step 3: Cross multiply
    102,205,996.88x = 141,043,558.17 × 55,796,250.80
  4. Step 4: Simplify right side
    102,205,996.88x = 7,869,701,744,672,491
  5. Step 5: Solve for x
    x = 7,869,701,744,672,491/102,205,996.88
  6. Step 6: Final answer
    x = 76,998,434.39

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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.