Home / 139,617,082.49-192,665,356.13-80,035,664.84

Finding the Fourth Proportional to 139,617,082.49, 192,665,356.13 and 80,035,664.84

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Solution

The fourth proportional to 139,617,082.49, 192,665,356.13 and 80,035,664.84 is: 110,445,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,617,082.49 : 192,665,356.13 = 80,035,664.84 : x
  2. Step 2: Convert to fraction form
    139,617,082.49/192,665,356.13 = 80,035,664.84/x
  3. Step 3: Cross multiply
    139,617,082.49x = 192,665,356.13 × 80,035,664.84
  4. Step 4: Simplify right side
    139,617,082.49x = 15,420,099,868,736,680
  5. Step 5: Solve for x
    x = 15,420,099,868,736,680/139,617,082.49
  6. Step 6: Final answer
    x = 110,445,653.16

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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.