Home / 306,143,135.56-422,465,358.34-180,735,727.46

Finding the Fourth Proportional to 306,143,135.56, 422,465,358.34 and 180,735,727.46

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Solution

The fourth proportional to 306,143,135.56, 422,465,358.34 and 180,735,727.46 is: 249,408,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,143,135.56 : 422,465,358.34 = 180,735,727.46 : x
  2. Step 2: Convert to fraction form
    306,143,135.56/422,465,358.34 = 180,735,727.46/x
  3. Step 3: Cross multiply
    306,143,135.56x = 422,465,358.34 × 180,735,727.46
  4. Step 4: Simplify right side
    306,143,135.56x = 76,354,583,866,229,472
  5. Step 5: Solve for x
    x = 76,354,583,866,229,472/306,143,135.56
  6. Step 6: Final answer
    x = 249,408,119.92

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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.