Home / 76,840,331.40-115,268,569.14-25,028,971.38

Finding the Fourth Proportional to 76,840,331.40, 115,268,569.14 and 25,028,971.38

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Solution

The fourth proportional to 76,840,331.40, 115,268,569.14 and 25,028,971.38 is: 37,546,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840,331.40 : 115,268,569.14 = 25,028,971.38 : x
  2. Step 2: Convert to fraction form
    76,840,331.40/115,268,569.14 = 25,028,971.38/x
  3. Step 3: Cross multiply
    76,840,331.40x = 115,268,569.14 × 25,028,971.38
  4. Step 4: Simplify right side
    76,840,331.40x = 2,885,053,718,018,611
  5. Step 5: Solve for x
    x = 2,885,053,718,018,611/76,840,331.40
  6. Step 6: Final answer
    x = 37,546,086.35

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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.