Home / 207,449,949.31-286,297,249.44-118,145,669.79

Finding the Fourth Proportional to 207,449,949.31, 286,297,249.44 and 118,145,669.79

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Solution

The fourth proportional to 207,449,949.31, 286,297,249.44 and 118,145,669.79 is: 163,050,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,449,949.31 : 286,297,249.44 = 118,145,669.79 : x
  2. Step 2: Convert to fraction form
    207,449,949.31/286,297,249.44 = 118,145,669.79/x
  3. Step 3: Cross multiply
    207,449,949.31x = 286,297,249.44 × 118,145,669.79
  4. Step 4: Simplify right side
    207,449,949.31x = 33,824,780,294,123,504
  5. Step 5: Solve for x
    x = 33,824,780,294,123,504/207,449,949.31
  6. Step 6: Final answer
    x = 163,050,318.43

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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.