Home / 139,616,768.65-192,664,924.27-80,035,349.65

Finding the Fourth Proportional to 139,616,768.65, 192,664,924.27 and 80,035,349.65

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Solution

The fourth proportional to 139,616,768.65, 192,664,924.27 and 80,035,349.65 is: 110,445,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,616,768.65 : 192,664,924.27 = 80,035,349.65 : x
  2. Step 2: Convert to fraction form
    139,616,768.65/192,664,924.27 = 80,035,349.65/x
  3. Step 3: Cross multiply
    139,616,768.65x = 192,664,924.27 × 80,035,349.65
  4. Step 4: Simplify right side
    139,616,768.65x = 15,420,004,579,867,910
  5. Step 5: Solve for x
    x = 15,420,004,579,867,910/139,616,768.65
  6. Step 6: Final answer
    x = 110,445,218.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.