Home / 116,640,346.40-174,960,519.60-80,360,640.80

Finding the Fourth Proportional to 116,640,346.40, 174,960,519.60 and 80,360,640.80

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Solution

The fourth proportional to 116,640,346.40, 174,960,519.60 and 80,360,640.80 is: 120,540,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,346.40 : 174,960,519.60 = 80,360,640.80 : x
  2. Step 2: Convert to fraction form
    116,640,346.40/174,960,519.60 = 80,360,640.80/x
  3. Step 3: Cross multiply
    116,640,346.40x = 174,960,519.60 × 80,360,640.80
  4. Step 4: Simplify right side
    116,640,346.40x = 14,059,939,469,756,958
  5. Step 5: Solve for x
    x = 14,059,939,469,756,958/116,640,346.40
  6. Step 6: Final answer
    x = 120,540,961.20

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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.