Home / 209,954,673.80-314,837,532.30-80,519,265.80

Finding the Fourth Proportional to 209,954,673.80, 314,837,532.30 and 80,519,265.80

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Solution

The fourth proportional to 209,954,673.80, 314,837,532.30 and 80,519,265.80 is: 120,742,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,673.80 : 314,837,532.30 = 80,519,265.80 : x
  2. Step 2: Convert to fraction form
    209,954,673.80/314,837,532.30 = 80,519,265.80/x
  3. Step 3: Cross multiply
    209,954,673.80x = 314,837,532.30 × 80,519,265.80
  4. Step 4: Simplify right side
    209,954,673.80x = 25,350,486,947,079,784
  5. Step 5: Solve for x
    x = 25,350,486,947,079,784/209,954,673.80
  6. Step 6: Final answer
    x = 120,742,665.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.