Home / 207,231,969.67-286,005,195.41-117,945,622.52

Finding the Fourth Proportional to 207,231,969.67, 286,005,195.41 and 117,945,622.52

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Solution

The fourth proportional to 207,231,969.67, 286,005,195.41 and 117,945,622.52 is: 162,779,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,969.67 : 286,005,195.41 = 117,945,622.52 : x
  2. Step 2: Convert to fraction form
    207,231,969.67/286,005,195.41 = 117,945,622.52/x
  3. Step 3: Cross multiply
    207,231,969.67x = 286,005,195.41 × 117,945,622.52
  4. Step 4: Simplify right side
    207,231,969.67x = 33,733,060,815,639,456
  5. Step 5: Solve for x
    x = 33,733,060,815,639,456/207,231,969.67
  6. Step 6: Final answer
    x = 162,779,231.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.