Home / 139,245,175.08-192,163,527.54-83,499,671.38

Finding the Fourth Proportional to 139,245,175.08, 192,163,527.54 and 83,499,671.38

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Solution

The fourth proportional to 139,245,175.08, 192,163,527.54 and 83,499,671.38 is: 115,232,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,245,175.08 : 192,163,527.54 = 83,499,671.38 : x
  2. Step 2: Convert to fraction form
    139,245,175.08/192,163,527.54 = 83,499,671.38/x
  3. Step 3: Cross multiply
    139,245,175.08x = 192,163,527.54 × 83,499,671.38
  4. Step 4: Simplify right side
    139,245,175.08x = 16,045,591,400,811,578
  5. Step 5: Solve for x
    x = 16,045,591,400,811,578/139,245,175.08
  6. Step 6: Final answer
    x = 115,232,656.30

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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.