Home / 111,280,537.49-166,710,115.06-74,280,862.55

Finding the Fourth Proportional to 111,280,537.49, 166,710,115.06 and 74,280,862.55

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Solution

The fourth proportional to 111,280,537.49, 166,710,115.06 and 74,280,862.55 is: 111,280,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,280,537.49 : 166,710,115.06 = 74,280,862.55 : x
  2. Step 2: Convert to fraction form
    111,280,537.49/166,710,115.06 = 74,280,862.55/x
  3. Step 3: Cross multiply
    111,280,537.49x = 166,710,115.06 × 74,280,862.55
  4. Step 4: Simplify right side
    111,280,537.49x = 12,383,371,141,289,766
  5. Step 5: Solve for x
    x = 12,383,371,141,289,766/111,280,537.49
  6. Step 6: Final answer
    x = 111,280,655.36

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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.