Home / 75,651,325.80-113,476,988.70-45,040,324.20

Finding the Fourth Proportional to 75,651,325.80, 113,476,988.70 and 45,040,324.20

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Solution

The fourth proportional to 75,651,325.80, 113,476,988.70 and 45,040,324.20 is: 67,560,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,651,325.80 : 113,476,988.70 = 45,040,324.20 : x
  2. Step 2: Convert to fraction form
    75,651,325.80/113,476,988.70 = 45,040,324.20/x
  3. Step 3: Cross multiply
    75,651,325.80x = 113,476,988.70 × 45,040,324.20
  4. Step 4: Simplify right side
    75,651,325.80x = 5,111,040,360,287,737
  5. Step 5: Solve for x
    x = 5,111,040,360,287,737/75,651,325.80
  6. Step 6: Final answer
    x = 67,560,486.30

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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.