Home / 131,907,772.80-197,861,659.20-63,883,324.80

Finding the Fourth Proportional to 131,907,772.80, 197,861,659.20 and 63,883,324.80

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Solution

The fourth proportional to 131,907,772.80, 197,861,659.20 and 63,883,324.80 is: 95,824,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,907,772.80 : 197,861,659.20 = 63,883,324.80 : x
  2. Step 2: Convert to fraction form
    131,907,772.80/197,861,659.20 = 63,883,324.80/x
  3. Step 3: Cross multiply
    131,907,772.80x = 197,861,659.20 × 63,883,324.80
  4. Step 4: Simplify right side
    131,907,772.80x = 12,640,060,640,140,506
  5. Step 5: Solve for x
    x = 12,640,060,640,140,506/131,907,772.80
  6. Step 6: Final answer
    x = 95,824,987.20

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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.