Home / 139,675,341.09-192,734,504.01-80,936,938.83

Finding the Fourth Proportional to 139,675,341.09, 192,734,504.01 and 80,936,938.83

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Solution

The fourth proportional to 139,675,341.09, 192,734,504.01 and 80,936,938.83 is: 111,682,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,675,341.09 : 192,734,504.01 = 80,936,938.83 : x
  2. Step 2: Convert to fraction form
    139,675,341.09/192,734,504.01 = 80,936,938.83/x
  3. Step 3: Cross multiply
    139,675,341.09x = 192,734,504.01 × 80,936,938.83
  4. Step 4: Simplify right side
    139,675,341.09x = 15,599,340,761,487,758
  5. Step 5: Solve for x
    x = 15,599,340,761,487,758/139,675,341.09
  6. Step 6: Final answer
    x = 111,682,854.25

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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.