Home / 129,555,940.52-194,333,910.78-43,294,347.26

Finding the Fourth Proportional to 129,555,940.52, 194,333,910.78 and 43,294,347.26

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Solution

The fourth proportional to 129,555,940.52, 194,333,910.78 and 43,294,347.26 is: 64,941,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,555,940.52 : 194,333,910.78 = 43,294,347.26 : x
  2. Step 2: Convert to fraction form
    129,555,940.52/194,333,910.78 = 43,294,347.26/x
  3. Step 3: Cross multiply
    129,555,940.52x = 194,333,910.78 × 43,294,347.26
  4. Step 4: Simplify right side
    129,555,940.52x = 8,413,559,816,731,508
  5. Step 5: Solve for x
    x = 8,413,559,816,731,508/129,555,940.52
  6. Step 6: Final answer
    x = 64,941,520.89

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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.