Home / 82,509,090,812.48-123,763,481,731.77-25,853,291,079.59

Finding the Fourth Proportional to 82,509,090,812.48, 123,763,481,731.77 and 25,853,291,079.59

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Solution

The fourth proportional to 82,509,090,812.48, 123,763,481,731.77 and 25,853,291,079.59 is: 38,779,888,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,090,812.48 : 123,763,481,731.77 = 25,853,291,079.59 : x
  2. Step 2: Convert to fraction form
    82,509,090,812.48/123,763,481,731.77 = 25,853,291,079.59/x
  3. Step 3: Cross multiply
    82,509,090,812.48x = 123,763,481,731.77 × 25,853,291,079.59
  4. Step 4: Simplify right side
    82,509,090,812.48x = 3,199,693,318,234,598,539,264
  5. Step 5: Solve for x
    x = 3,199,693,318,234,598,539,264/82,509,090,812.48
  6. Step 6: Final answer
    x = 38,779,888,212.64

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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.