Home / 139,617,071.08-192,665,340.32-80,035,653.42

Finding the Fourth Proportional to 139,617,071.08, 192,665,340.32 and 80,035,653.42

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Solution

The fourth proportional to 139,617,071.08, 192,665,340.32 and 80,035,653.42 is: 110,445,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,617,071.08 : 192,665,340.32 = 80,035,653.42 : x
  2. Step 2: Convert to fraction form
    139,617,071.08/192,665,340.32 = 80,035,653.42/x
  3. Step 3: Cross multiply
    139,617,071.08x = 192,665,340.32 × 80,035,653.42
  4. Step 4: Simplify right side
    139,617,071.08x = 15,420,096,403,497,694
  5. Step 5: Solve for x
    x = 15,420,096,403,497,694/139,617,071.08
  6. Step 6: Final answer
    x = 110,445,637.37

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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.