Home / 68,954,628.70-103,431,943.05-30,575,403.10

Finding the Fourth Proportional to 68,954,628.70, 103,431,943.05 and 30,575,403.10

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Solution

The fourth proportional to 68,954,628.70, 103,431,943.05 and 30,575,403.10 is: 45,863,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954,628.70 : 103,431,943.05 = 30,575,403.10 : x
  2. Step 2: Convert to fraction form
    68,954,628.70/103,431,943.05 = 30,575,403.10/x
  3. Step 3: Cross multiply
    68,954,628.70x = 103,431,943.05 × 30,575,403.10
  4. Step 4: Simplify right side
    68,954,628.70x = 3,162,473,352,169,993.50
  5. Step 5: Solve for x
    x = 3,162,473,352,169,993.50/68,954,628.70
  6. Step 6: Final answer
    x = 45,863,104.65

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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.