Home / 64,131,971.60-96,188,626.20-18,689,027.60

Finding the Fourth Proportional to 64,131,971.60, 96,188,626.20 and 18,689,027.60

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Solution

The fourth proportional to 64,131,971.60, 96,188,626.20 and 18,689,027.60 is: 28,030,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131,971.60 : 96,188,626.20 = 18,689,027.60 : x
  2. Step 2: Convert to fraction form
    64,131,971.60/96,188,626.20 = 18,689,027.60/x
  3. Step 3: Cross multiply
    64,131,971.60x = 96,188,626.20 × 18,689,027.60
  4. Step 4: Simplify right side
    64,131,971.60x = 1,797,671,889,857,883.25
  5. Step 5: Solve for x
    x = 1,797,671,889,857,883.25/64,131,971.60
  6. Step 6: Final answer
    x = 28,030,822.15

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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.