Home / 104,313,961.60-156,470,942.40-77,440,105.60

Finding the Fourth Proportional to 104,313,961.60, 156,470,942.40 and 77,440,105.60

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Solution

The fourth proportional to 104,313,961.60, 156,470,942.40 and 77,440,105.60 is: 116,160,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,313,961.60 : 156,470,942.40 = 77,440,105.60 : x
  2. Step 2: Convert to fraction form
    104,313,961.60/156,470,942.40 = 77,440,105.60/x
  3. Step 3: Cross multiply
    104,313,961.60x = 156,470,942.40 × 77,440,105.60
  4. Step 4: Simplify right side
    104,313,961.60x = 12,117,126,302,787,516
  5. Step 5: Solve for x
    x = 12,117,126,302,787,516/104,313,961.60
  6. Step 6: Final answer
    x = 116,160,158.40

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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.