Home / 125,147,540.58-172,703,978-69,396,888.54

Finding the Fourth Proportional to 125,147,540.58, 172,703,978 and 69,396,888.54

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Solution

The fourth proportional to 125,147,540.58, 172,703,978 and 69,396,888.54 is: 95,767,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,147,540.58 : 172,703,978 = 69,396,888.54 : x
  2. Step 2: Convert to fraction form
    125,147,540.58/172,703,978 = 69,396,888.54/x
  3. Step 3: Cross multiply
    125,147,540.58x = 172,703,978 × 69,396,888.54
  4. Step 4: Simplify right side
    125,147,540.58x = 11,985,118,711,680,614
  5. Step 5: Solve for x
    x = 11,985,118,711,680,614/125,147,540.58
  6. Step 6: Final answer
    x = 95,767,912.47

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