Home / 87,405,969.60-131,108,954.40-46,591,300.80

Finding the Fourth Proportional to 87,405,969.60, 131,108,954.40 and 46,591,300.80

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Solution

The fourth proportional to 87,405,969.60, 131,108,954.40 and 46,591,300.80 is: 69,886,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405,969.60 : 131,108,954.40 = 46,591,300.80 : x
  2. Step 2: Convert to fraction form
    87,405,969.60/131,108,954.40 = 46,591,300.80/x
  3. Step 3: Cross multiply
    87,405,969.60x = 131,108,954.40 × 46,591,300.80
  4. Step 4: Simplify right side
    87,405,969.60x = 6,108,536,732,023,883
  5. Step 5: Solve for x
    x = 6,108,536,732,023,883/87,405,969.60
  6. Step 6: Final answer
    x = 69,886,951.20

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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.