Home / 139,343,346.42-192,010,474.32-107,789,784.06

Finding the Fourth Proportional to 139,343,346.42, 192,010,474.32 and 107,789,784.06

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Solution

The fourth proportional to 139,343,346.42, 192,010,474.32 and 107,789,784.06 is: 148,530,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,343,346.42 : 192,010,474.32 = 107,789,784.06 : x
  2. Step 2: Convert to fraction form
    139,343,346.42/192,010,474.32 = 107,789,784.06/x
  3. Step 3: Cross multiply
    139,343,346.42x = 192,010,474.32 × 107,789,784.06
  4. Step 4: Simplify right side
    139,343,346.42x = 20,696,767,564,210,976
  5. Step 5: Solve for x
    x = 20,696,767,564,210,976/139,343,346.42
  6. Step 6: Final answer
    x = 148,530,719.95

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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.