Home / 74,318,409.31-111,491,970.08-28,256,696.95

Finding the Fourth Proportional to 74,318,409.31, 111,491,970.08 and 28,256,696.95

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Solution

The fourth proportional to 74,318,409.31, 111,491,970.08 and 28,256,696.95 is: 42,390,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318,409.31 : 111,491,970.08 = 28,256,696.95 : x
  2. Step 2: Convert to fraction form
    74,318,409.31/111,491,970.08 = 28,256,696.95/x
  3. Step 3: Cross multiply
    74,318,409.31x = 111,491,970.08 × 28,256,696.95
  4. Step 4: Simplify right side
    74,318,409.31x = 3,150,394,810,909,027
  5. Step 5: Solve for x
    x = 3,150,394,810,909,027/74,318,409.31
  6. Step 6: Final answer
    x = 42,390,503.78

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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.