Home / 111,534,128.60-167,360,636.10-43,379,043.80

Finding the Fourth Proportional to 111,534,128.60, 167,360,636.10 and 43,379,043.80

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Solution

The fourth proportional to 111,534,128.60, 167,360,636.10 and 43,379,043.80 is: 65,091,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534,128.60 : 167,360,636.10 = 43,379,043.80 : x
  2. Step 2: Convert to fraction form
    111,534,128.60/167,360,636.10 = 43,379,043.80/x
  3. Step 3: Cross multiply
    111,534,128.60x = 167,360,636.10 × 43,379,043.80
  4. Step 4: Simplify right side
    111,534,128.60x = 7,259,944,363,777,760
  5. Step 5: Solve for x
    x = 7,259,944,363,777,760/111,534,128.60
  6. Step 6: Final answer
    x = 65,091,684.98

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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.