Home / 99,858,576.08-137,792,900.32-55,198,515.36

Finding the Fourth Proportional to 99,858,576.08, 137,792,900.32 and 55,198,515.36

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Solution

The fourth proportional to 99,858,576.08, 137,792,900.32 and 55,198,515.36 is: 76,167,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,858,576.08 : 137,792,900.32 = 55,198,515.36 : x
  2. Step 2: Convert to fraction form
    99,858,576.08/137,792,900.32 = 55,198,515.36/x
  3. Step 3: Cross multiply
    99,858,576.08x = 137,792,900.32 × 55,198,515.36
  4. Step 4: Simplify right side
    99,858,576.08x = 7,605,963,524,812,468
  5. Step 5: Solve for x
    x = 7,605,963,524,812,468/99,858,576.08
  6. Step 6: Final answer
    x = 76,167,354.11

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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.