Home / 69,020,572.20-103,568,183.10-30,688,002.60

Finding the Fourth Proportional to 69,020,572.20, 103,568,183.10 and 30,688,002.60

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Solution

The fourth proportional to 69,020,572.20, 103,568,183.10 and 30,688,002.60 is: 46,048,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,020,572.20 : 103,568,183.10 = 30,688,002.60 : x
  2. Step 2: Convert to fraction form
    69,020,572.20/103,568,183.10 = 30,688,002.60/x
  3. Step 3: Cross multiply
    69,020,572.20x = 103,568,183.10 × 30,688,002.60
  4. Step 4: Simplify right side
    69,020,572.20x = 3,178,300,672,250,076
  5. Step 5: Solve for x
    x = 3,178,300,672,250,076/69,020,572.20
  6. Step 6: Final answer
    x = 46,048,599.29

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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.