Home / 131,557,382.14-181,507,450.69-76,542,609.82

Finding the Fourth Proportional to 131,557,382.14, 181,507,450.69 and 76,542,609.82

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Solution

The fourth proportional to 131,557,382.14, 181,507,450.69 and 76,542,609.82 is: 105,604,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,557,382.14 : 181,507,450.69 = 76,542,609.82 : x
  2. Step 2: Convert to fraction form
    131,557,382.14/181,507,450.69 = 76,542,609.82/x
  3. Step 3: Cross multiply
    131,557,382.14x = 181,507,450.69 × 76,542,609.82
  4. Step 4: Simplify right side
    131,557,382.14x = 13,893,053,977,587,558
  5. Step 5: Solve for x
    x = 13,893,053,977,587,558/131,557,382.14
  6. Step 6: Final answer
    x = 105,604,518.36

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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.