Home / 118,787,588.78-178,194,835.44-106,582,049.76

Finding the Fourth Proportional to 118,787,588.78, 178,194,835.44 and 106,582,049.76

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Solution

The fourth proportional to 118,787,588.78, 178,194,835.44 and 106,582,049.76 is: 159,885,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,787,588.78 : 178,194,835.44 = 106,582,049.76 : x
  2. Step 2: Convert to fraction form
    118,787,588.78/178,194,835.44 = 106,582,049.76/x
  3. Step 3: Cross multiply
    118,787,588.78x = 178,194,835.44 × 106,582,049.76
  4. Step 4: Simplify right side
    118,787,588.78x = 18,992,370,818,258,068
  5. Step 5: Solve for x
    x = 18,992,370,818,258,068/118,787,588.78
  6. Step 6: Final answer
    x = 159,885,144.68

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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.