Home / 139,727,040.37-192,824,632.36-77,005,396.71

Finding the Fourth Proportional to 139,727,040.37, 192,824,632.36 and 77,005,396.71

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Solution

The fourth proportional to 139,727,040.37, 192,824,632.36 and 77,005,396.71 is: 106,268,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,727,040.37 : 192,824,632.36 = 77,005,396.71 : x
  2. Step 2: Convert to fraction form
    139,727,040.37/192,824,632.36 = 77,005,396.71/x
  3. Step 3: Cross multiply
    139,727,040.37x = 192,824,632.36 × 77,005,396.71
  4. Step 4: Simplify right side
    139,727,040.37x = 14,848,537,310,341,704
  5. Step 5: Solve for x
    x = 14,848,537,310,341,704/139,727,040.37
  6. Step 6: Final answer
    x = 106,268,173.08

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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.