Home / 112,897,129.20-169,445,226.60-96,772,815.60

Finding the Fourth Proportional to 112,897,129.20, 169,445,226.60 and 96,772,815.60

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Solution

The fourth proportional to 112,897,129.20, 169,445,226.60 and 96,772,815.60 is: 145,244,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,897,129.20 : 169,445,226.60 = 96,772,815.60 : x
  2. Step 2: Convert to fraction form
    112,897,129.20/169,445,226.60 = 96,772,815.60/x
  3. Step 3: Cross multiply
    112,897,129.20x = 169,445,226.60 × 96,772,815.60
  4. Step 4: Simplify right side
    112,897,129.20x = 16,397,691,668,062,014
  5. Step 5: Solve for x
    x = 16,397,691,668,062,014/112,897,129.20
  6. Step 6: Final answer
    x = 145,244,540.62

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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.