Home / 139,850,895.60-192,943,630.94-81,081,197.37

Finding the Fourth Proportional to 139,850,895.60, 192,943,630.94 and 81,081,197.37

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Solution

The fourth proportional to 139,850,895.60, 192,943,630.94 and 81,081,197.37 is: 111,862,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,850,895.60 : 192,943,630.94 = 81,081,197.37 : x
  2. Step 2: Convert to fraction form
    139,850,895.60/192,943,630.94 = 81,081,197.37/x
  3. Step 3: Cross multiply
    139,850,895.60x = 192,943,630.94 × 81,081,197.37
  4. Step 4: Simplify right side
    139,850,895.60x = 15,644,100,621,125,174
  5. Step 5: Solve for x
    x = 15,644,100,621,125,174/139,850,895.60
  6. Step 6: Final answer
    x = 111,862,713.17

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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.