Home / 77,646,116.40-116,469,174.60-76,638,346.80

Finding the Fourth Proportional to 77,646,116.40, 116,469,174.60 and 76,638,346.80

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Solution

The fourth proportional to 77,646,116.40, 116,469,174.60 and 76,638,346.80 is: 114,957,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,646,116.40 : 116,469,174.60 = 76,638,346.80 : x
  2. Step 2: Convert to fraction form
    77,646,116.40/116,469,174.60 = 76,638,346.80/x
  3. Step 3: Cross multiply
    77,646,116.40x = 116,469,174.60 × 76,638,346.80
  4. Step 4: Simplify right side
    77,646,116.40x = 8,926,004,994,504,550
  5. Step 5: Solve for x
    x = 8,926,004,994,504,550/77,646,116.40
  6. Step 6: Final answer
    x = 114,957,520.20

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1.5x scale

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.