Home / 75,885,938.76-113,828,527.44-18,378,208.38

Finding the Fourth Proportional to 75,885,938.76, 113,828,527.44 and 18,378,208.38

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Solution

The fourth proportional to 75,885,938.76, 113,828,527.44 and 18,378,208.38 is: 27,567,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,885,938.76 : 113,828,527.44 = 18,378,208.38 : x
  2. Step 2: Convert to fraction form
    75,885,938.76/113,828,527.44 = 18,378,208.38/x
  3. Step 3: Cross multiply
    75,885,938.76x = 113,828,527.44 × 18,378,208.38
  4. Step 4: Simplify right side
    75,885,938.76x = 2,091,964,396,880,867.75
  5. Step 5: Solve for x
    x = 2,091,964,396,880,867.75/75,885,938.76
  6. Step 6: Final answer
    x = 27,567,220.37

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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.