Home / 87,405,983.60-131,108,975.40-46,591,314.80

Finding the Fourth Proportional to 87,405,983.60, 131,108,975.40 and 46,591,314.80

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Solution

The fourth proportional to 87,405,983.60, 131,108,975.40 and 46,591,314.80 is: 69,886,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405,983.60 : 131,108,975.40 = 46,591,314.80 : x
  2. Step 2: Convert to fraction form
    87,405,983.60/131,108,975.40 = 46,591,314.80/x
  3. Step 3: Cross multiply
    87,405,983.60x = 131,108,975.40 × 46,591,314.80
  4. Step 4: Simplify right side
    87,405,983.60x = 6,108,539,545,966,856
  5. Step 5: Solve for x
    x = 6,108,539,545,966,856/87,405,983.60
  6. Step 6: Final answer
    x = 69,886,972.20

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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.