Home / 139,700,571.84-192,792,597.60-77,820,893.76

Finding the Fourth Proportional to 139,700,571.84, 192,792,597.60 and 77,820,893.76

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Solution

The fourth proportional to 139,700,571.84, 192,792,597.60 and 77,820,893.76 is: 107,396,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,700,571.84 : 192,792,597.60 = 77,820,893.76 : x
  2. Step 2: Convert to fraction form
    139,700,571.84/192,792,597.60 = 77,820,893.76/x
  3. Step 3: Cross multiply
    139,700,571.84x = 192,792,597.60 × 77,820,893.76
  4. Step 4: Simplify right side
    139,700,571.84x = 15,003,292,255,544,032
  5. Step 5: Solve for x
    x = 15,003,292,255,544,032/139,700,571.84
  6. Step 6: Final answer
    x = 107,396,069.02

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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.