Home / 82,509,090,815.67-123,763,481,736.55-25,853,291,082.77

Finding the Fourth Proportional to 82,509,090,815.67, 123,763,481,736.55 and 25,853,291,082.77

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Solution

The fourth proportional to 82,509,090,815.67, 123,763,481,736.55 and 25,853,291,082.77 is: 38,779,888,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,090,815.67 : 123,763,481,736.55 = 25,853,291,082.77 : x
  2. Step 2: Convert to fraction form
    82,509,090,815.67/123,763,481,736.55 = 25,853,291,082.77/x
  3. Step 3: Cross multiply
    82,509,090,815.67x = 123,763,481,736.55 × 25,853,291,082.77
  4. Step 4: Simplify right side
    82,509,090,815.67x = 3,199,693,318,751,497,224,192
  5. Step 5: Solve for x
    x = 3,199,693,318,751,497,224,192/82,509,090,815.67
  6. Step 6: Final answer
    x = 38,779,888,217.41

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1.5x scale

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.