Home / 129,555,940.37-194,333,910.57-43,294,347.12

Finding the Fourth Proportional to 129,555,940.37, 194,333,910.57 and 43,294,347.12

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Solution

The fourth proportional to 129,555,940.37, 194,333,910.57 and 43,294,347.12 is: 64,941,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,555,940.37 : 194,333,910.57 = 43,294,347.12 : x
  2. Step 2: Convert to fraction form
    129,555,940.37/194,333,910.57 = 43,294,347.12/x
  3. Step 3: Cross multiply
    129,555,940.37x = 194,333,910.57 × 43,294,347.12
  4. Step 4: Simplify right side
    129,555,940.37x = 8,413,559,781,404,616
  5. Step 5: Solve for x
    x = 8,413,559,781,404,616/129,555,940.37
  6. Step 6: Final answer
    x = 64,941,520.69

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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.