Home / 64,131,969.60-96,188,623.20-18,689,025.60

Finding the Fourth Proportional to 64,131,969.60, 96,188,623.20 and 18,689,025.60

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Solution

The fourth proportional to 64,131,969.60, 96,188,623.20 and 18,689,025.60 is: 28,030,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131,969.60 : 96,188,623.20 = 18,689,025.60 : x
  2. Step 2: Convert to fraction form
    64,131,969.60/96,188,623.20 = 18,689,025.60/x
  3. Step 3: Cross multiply
    64,131,969.60x = 96,188,623.20 × 18,689,025.60
  4. Step 4: Simplify right side
    64,131,969.60x = 1,797,671,641,413,554
  5. Step 5: Solve for x
    x = 1,797,671,641,413,554/64,131,969.60
  6. Step 6: Final answer
    x = 28,030,819.15

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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.