Home / 139,343,299.79-192,010,410.09-107,789,737.37

Finding the Fourth Proportional to 139,343,299.79, 192,010,410.09 and 107,789,737.37

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Solution

The fourth proportional to 139,343,299.79, 192,010,410.09 and 107,789,737.37 is: 148,530,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,343,299.79 : 192,010,410.09 = 107,789,737.37 : x
  2. Step 2: Convert to fraction form
    139,343,299.79/192,010,410.09 = 107,789,737.37/x
  3. Step 3: Cross multiply
    139,343,299.79x = 192,010,410.09 × 107,789,737.37
  4. Step 4: Simplify right side
    139,343,299.79x = 20,696,751,674,947,044
  5. Step 5: Solve for x
    x = 20,696,751,674,947,044/139,343,299.79
  6. Step 6: Final answer
    x = 148,530,655.63

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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.