Home / 72,408,842.20-108,613,263.30-41,797,840.60

Finding the Fourth Proportional to 72,408,842.20, 108,613,263.30 and 41,797,840.60

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Solution

The fourth proportional to 72,408,842.20, 108,613,263.30 and 41,797,840.60 is: 62,696,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,408,842.20 : 108,613,263.30 = 41,797,840.60 : x
  2. Step 2: Convert to fraction form
    72,408,842.20/108,613,263.30 = 41,797,840.60/x
  3. Step 3: Cross multiply
    72,408,842.20x = 108,613,263.30 × 41,797,840.60
  4. Step 4: Simplify right side
    72,408,842.20x = 4,539,799,866,459,230
  5. Step 5: Solve for x
    x = 4,539,799,866,459,230/72,408,842.20
  6. Step 6: Final answer
    x = 62,696,760.90

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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.