Home / 111,235,470.60-166,853,205.90-76,798,093.80

Finding the Fourth Proportional to 111,235,470.60, 166,853,205.90 and 76,798,093.80

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Solution

The fourth proportional to 111,235,470.60, 166,853,205.90 and 76,798,093.80 is: 115,197,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,235,470.60 : 166,853,205.90 = 76,798,093.80 : x
  2. Step 2: Convert to fraction form
    111,235,470.60/166,853,205.90 = 76,798,093.80/x
  3. Step 3: Cross multiply
    111,235,470.60x = 166,853,205.90 × 76,798,093.80
  4. Step 4: Simplify right side
    111,235,470.60x = 12,814,008,157,538,914
  5. Step 5: Solve for x
    x = 12,814,008,157,538,914/111,235,470.60
  6. Step 6: Final answer
    x = 115,197,140.70

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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.