Home / 111,515,767.20-167,273,650.80-99,080,047.80

Finding the Fourth Proportional to 111,515,767.20, 167,273,650.80 and 99,080,047.80

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Solution

The fourth proportional to 111,515,767.20, 167,273,650.80 and 99,080,047.80 is: 148,620,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,515,767.20 : 167,273,650.80 = 99,080,047.80 : x
  2. Step 2: Convert to fraction form
    111,515,767.20/167,273,650.80 = 99,080,047.80/x
  3. Step 3: Cross multiply
    111,515,767.20x = 167,273,650.80 × 99,080,047.80
  4. Step 4: Simplify right side
    111,515,767.20x = 16,573,481,316,944,508
  5. Step 5: Solve for x
    x = 16,573,481,316,944,508/111,515,767.20
  6. Step 6: Final answer
    x = 148,620,071.70

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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.