Home / 99,707,693.88-137,619,576-58,467,872.28

Finding the Fourth Proportional to 99,707,693.88, 137,619,576 and 58,467,872.28

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Solution

The fourth proportional to 99,707,693.88, 137,619,576 and 58,467,872.28 is: 80,699,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,707,693.88 : 137,619,576 = 58,467,872.28 : x
  2. Step 2: Convert to fraction form
    99,707,693.88/137,619,576 = 58,467,872.28/x
  3. Step 3: Cross multiply
    99,707,693.88x = 137,619,576 × 58,467,872.28
  4. Step 4: Simplify right side
    99,707,693.88x = 8,046,323,792,795,753
  5. Step 5: Solve for x
    x = 8,046,323,792,795,753/99,707,693.88
  6. Step 6: Final answer
    x = 80,699,126.41

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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.