Home / 111,235,444.60-166,853,166.90-76,798,067.80

Finding the Fourth Proportional to 111,235,444.60, 166,853,166.90 and 76,798,067.80

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Solution

The fourth proportional to 111,235,444.60, 166,853,166.90 and 76,798,067.80 is: 115,197,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,235,444.60 : 166,853,166.90 = 76,798,067.80 : x
  2. Step 2: Convert to fraction form
    111,235,444.60/166,853,166.90 = 76,798,067.80/x
  3. Step 3: Cross multiply
    111,235,444.60x = 166,853,166.90 × 76,798,067.80
  4. Step 4: Simplify right side
    111,235,444.60x = 12,814,000,824,230,916
  5. Step 5: Solve for x
    x = 12,814,000,824,230,916/111,235,444.60
  6. Step 6: Final answer
    x = 115,197,101.70

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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.