Home / 208,714,960.80-313,072,441.20-131,116,701.60

Finding the Fourth Proportional to 208,714,960.80, 313,072,441.20 and 131,116,701.60

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Solution

The fourth proportional to 208,714,960.80, 313,072,441.20 and 131,116,701.60 is: 196,675,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,714,960.80 : 313,072,441.20 = 131,116,701.60 : x
  2. Step 2: Convert to fraction form
    208,714,960.80/313,072,441.20 = 131,116,701.60/x
  3. Step 3: Cross multiply
    208,714,960.80x = 313,072,441.20 × 131,116,701.60
  4. Step 4: Simplify right side
    208,714,960.80x = 41,049,025,852,003,944
  5. Step 5: Solve for x
    x = 41,049,025,852,003,944/208,714,960.80
  6. Step 6: Final answer
    x = 196,675,052.40

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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.