Home / 82,393,287.20-123,589,930.80-46,113,581.60

Finding the Fourth Proportional to 82,393,287.20, 123,589,930.80 and 46,113,581.60

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Solution

The fourth proportional to 82,393,287.20, 123,589,930.80 and 46,113,581.60 is: 69,170,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,393,287.20 : 123,589,930.80 = 46,113,581.60 : x
  2. Step 2: Convert to fraction form
    82,393,287.20/123,589,930.80 = 46,113,581.60/x
  3. Step 3: Cross multiply
    82,393,287.20x = 123,589,930.80 × 46,113,581.60
  4. Step 4: Simplify right side
    82,393,287.20x = 5,699,174,358,884,153
  5. Step 5: Solve for x
    x = 5,699,174,358,884,153/82,393,287.20
  6. Step 6: Final answer
    x = 69,170,372.40

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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.