Home / 68,535,338.52-102,792,895.64-20,000,160.60

Finding the Fourth Proportional to 68,535,338.52, 102,792,895.64 and 20,000,160.60

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Solution

The fourth proportional to 68,535,338.52, 102,792,895.64 and 20,000,160.60 is: 29,997,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,535,338.52 : 102,792,895.64 = 20,000,160.60 : x
  2. Step 2: Convert to fraction form
    68,535,338.52/102,792,895.64 = 20,000,160.60/x
  3. Step 3: Cross multiply
    68,535,338.52x = 102,792,895.64 × 20,000,160.60
  4. Step 4: Simplify right side
    68,535,338.52x = 2,055,874,421,339,040
  5. Step 5: Solve for x
    x = 2,055,874,421,339,040/68,535,338.52
  6. Step 6: Final answer
    x = 29,997,289.95

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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.