Home / 74,880,819.50-112,321,229.26-18,147,123.50

Finding the Fourth Proportional to 74,880,819.50, 112,321,229.26 and 18,147,123.50

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Solution

The fourth proportional to 74,880,819.50, 112,321,229.26 and 18,147,123.50 is: 27,220,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880,819.50 : 112,321,229.26 = 18,147,123.50 : x
  2. Step 2: Convert to fraction form
    74,880,819.50/112,321,229.26 = 18,147,123.50/x
  3. Step 3: Cross multiply
    74,880,819.50x = 112,321,229.26 × 18,147,123.50
  4. Step 4: Simplify right side
    74,880,819.50x = 2,038,307,219,053,033.75
  5. Step 5: Solve for x
    x = 2,038,307,219,053,033.75/74,880,819.50
  6. Step 6: Final answer
    x = 27,220,685.25

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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.