Home / 127,583,999.60-191,375,999.40-112,467,455.60

Finding the Fourth Proportional to 127,583,999.60, 191,375,999.40 and 112,467,455.60

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Solution

The fourth proportional to 127,583,999.60, 191,375,999.40 and 112,467,455.60 is: 168,701,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,583,999.60 : 191,375,999.40 = 112,467,455.60 : x
  2. Step 2: Convert to fraction form
    127,583,999.60/191,375,999.40 = 112,467,455.60/x
  3. Step 3: Cross multiply
    127,583,999.60x = 191,375,999.40 × 112,467,455.60
  4. Step 4: Simplify right side
    127,583,999.60x = 21,523,571,715,425,128
  5. Step 5: Solve for x
    x = 21,523,571,715,425,128/127,583,999.60
  6. Step 6: Final answer
    x = 168,701,183.40

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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.