Home / 74,517,294.05-111,775,914.77-19,928,460.79

Finding the Fourth Proportional to 74,517,294.05, 111,775,914.77 and 19,928,460.79

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Solution

The fourth proportional to 74,517,294.05, 111,775,914.77 and 19,928,460.79 is: 29,892,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,517,294.05 : 111,775,914.77 = 19,928,460.79 : x
  2. Step 2: Convert to fraction form
    74,517,294.05/111,775,914.77 = 19,928,460.79/x
  3. Step 3: Cross multiply
    74,517,294.05x = 111,775,914.77 × 19,928,460.79
  4. Step 4: Simplify right side
    74,517,294.05x = 2,227,521,934,760,326.75
  5. Step 5: Solve for x
    x = 2,227,521,934,760,326.75/74,517,294.05
  6. Step 6: Final answer
    x = 29,892,684.15

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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.