Home / 111,520,893.20-167,281,339.80-99,085,173.80

Finding the Fourth Proportional to 111,520,893.20, 167,281,339.80 and 99,085,173.80

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Solution

The fourth proportional to 111,520,893.20, 167,281,339.80 and 99,085,173.80 is: 148,627,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,520,893.20 : 167,281,339.80 = 99,085,173.80 : x
  2. Step 2: Convert to fraction form
    111,520,893.20/167,281,339.80 = 99,085,173.80/x
  3. Step 3: Cross multiply
    111,520,893.20x = 167,281,339.80 × 99,085,173.80
  4. Step 4: Simplify right side
    111,520,893.20x = 16,575,100,627,579,858
  5. Step 5: Solve for x
    x = 16,575,100,627,579,858/111,520,893.20
  6. Step 6: Final answer
    x = 148,627,760.70

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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.