Home / 139,727,041.44-192,824,633.84-77,005,397.78

Finding the Fourth Proportional to 139,727,041.44, 192,824,633.84 and 77,005,397.78

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Solution

The fourth proportional to 139,727,041.44, 192,824,633.84 and 77,005,397.78 is: 106,268,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,727,041.44 : 192,824,633.84 = 77,005,397.78 : x
  2. Step 2: Convert to fraction form
    139,727,041.44/192,824,633.84 = 77,005,397.78/x
  3. Step 3: Cross multiply
    139,727,041.44x = 192,824,633.84 × 77,005,397.78
  4. Step 4: Simplify right side
    139,727,041.44x = 14,848,537,629,282,900
  5. Step 5: Solve for x
    x = 14,848,537,629,282,900/139,727,041.44
  6. Step 6: Final answer
    x = 106,268,174.55

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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.