Home / 76,294,996.28-105,283,889.88-43,257,467.96

Finding the Fourth Proportional to 76,294,996.28, 105,283,889.88 and 43,257,467.96

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Solution

The fourth proportional to 76,294,996.28, 105,283,889.88 and 43,257,467.96 is: 59,693,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,294,996.28 : 105,283,889.88 = 43,257,467.96 : x
  2. Step 2: Convert to fraction form
    76,294,996.28/105,283,889.88 = 43,257,467.96/x
  3. Step 3: Cross multiply
    76,294,996.28x = 105,283,889.88 × 43,257,467.96
  4. Step 4: Simplify right side
    76,294,996.28x = 4,554,314,493,188,268
  5. Step 5: Solve for x
    x = 4,554,314,493,188,268/76,294,996.28
  6. Step 6: Final answer
    x = 59,693,488.63

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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.