Home / 69,020,576.20-103,568,189.10-30,688,006.60

Finding the Fourth Proportional to 69,020,576.20, 103,568,189.10 and 30,688,006.60

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Solution

The fourth proportional to 69,020,576.20, 103,568,189.10 and 30,688,006.60 is: 46,048,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,020,576.20 : 103,568,189.10 = 30,688,006.60 : x
  2. Step 2: Convert to fraction form
    69,020,576.20/103,568,189.10 = 30,688,006.60/x
  3. Step 3: Cross multiply
    69,020,576.20x = 103,568,189.10 × 30,688,006.60
  4. Step 4: Simplify right side
    69,020,576.20x = 3,178,301,270,650,848
  5. Step 5: Solve for x
    x = 3,178,301,270,650,848/69,020,576.20
  6. Step 6: Final answer
    x = 46,048,605.29

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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.