Home / 45,665,399.03-68,508,173.78-13,319,833.05

Finding the Fourth Proportional to 45,665,399.03, 68,508,173.78 and 13,319,833.05

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Solution

The fourth proportional to 45,665,399.03, 68,508,173.78 and 13,319,833.05 is: 19,982,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665,399.03 : 68,508,173.78 = 13,319,833.05 : x
  2. Step 2: Convert to fraction form
    45,665,399.03/68,508,173.78 = 13,319,833.05/x
  3. Step 3: Cross multiply
    45,665,399.03x = 68,508,173.78 × 13,319,833.05
  4. Step 4: Simplify right side
    45,665,399.03x = 912,517,437,550,243.38
  5. Step 5: Solve for x
    x = 912,517,437,550,243.38/45,665,399.03
  6. Step 6: Final answer
    x = 19,982,688.36

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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.