Home / 131,903,999.80-197,855,999.70-117,291,340.60

Finding the Fourth Proportional to 131,903,999.80, 197,855,999.70 and 117,291,340.60

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Solution

The fourth proportional to 131,903,999.80, 197,855,999.70 and 117,291,340.60 is: 175,937,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,903,999.80 : 197,855,999.70 = 117,291,340.60 : x
  2. Step 2: Convert to fraction form
    131,903,999.80/197,855,999.70 = 117,291,340.60/x
  3. Step 3: Cross multiply
    131,903,999.80x = 197,855,999.70 × 117,291,340.60
  4. Step 4: Simplify right side
    131,903,999.80x = 23,206,795,450,566,196
  5. Step 5: Solve for x
    x = 23,206,795,450,566,196/131,903,999.80
  6. Step 6: Final answer
    x = 175,937,010.90

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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.