Home / 139,519,327.23-192,535,143.66-76,794,084.11

Finding the Fourth Proportional to 139,519,327.23, 192,535,143.66 and 76,794,084.11

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Solution

The fourth proportional to 139,519,327.23, 192,535,143.66 and 76,794,084.11 is: 105,974,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,327.23 : 192,535,143.66 = 76,794,084.11 : x
  2. Step 2: Convert to fraction form
    139,519,327.23/192,535,143.66 = 76,794,084.11/x
  3. Step 3: Cross multiply
    139,519,327.23x = 192,535,143.66 × 76,794,084.11
  4. Step 4: Simplify right side
    139,519,327.23x = 14,785,560,016,295,166
  5. Step 5: Solve for x
    x = 14,785,560,016,295,166/139,519,327.23
  6. Step 6: Final answer
    x = 105,974,995.08

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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.