Home / 118,728,819.60-178,093,229.40-98,321,485.20

Finding the Fourth Proportional to 118,728,819.60, 178,093,229.40 and 98,321,485.20

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Solution

The fourth proportional to 118,728,819.60, 178,093,229.40 and 98,321,485.20 is: 147,482,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,728,819.60 : 178,093,229.40 = 98,321,485.20 : x
  2. Step 2: Convert to fraction form
    118,728,819.60/178,093,229.40 = 98,321,485.20/x
  3. Step 3: Cross multiply
    118,728,819.60x = 178,093,229.40 × 98,321,485.20
  4. Step 4: Simplify right side
    118,728,819.60x = 17,510,390,818,672,306
  5. Step 5: Solve for x
    x = 17,510,390,818,672,306/118,728,819.60
  6. Step 6: Final answer
    x = 147,482,227.80

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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.