Home / 69,978,391,398.23-96,570,117,732.38-39,500,990,129.03

Finding the Fourth Proportional to 69,978,391,398.23, 96,570,117,732.38 and 39,500,990,129.03

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Solution

The fourth proportional to 69,978,391,398.23, 96,570,117,732.38 and 39,500,990,129.03 is: 54,511,331,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,978,391,398.23 : 96,570,117,732.38 = 39,500,990,129.03 : x
  2. Step 2: Convert to fraction form
    69,978,391,398.23/96,570,117,732.38 = 39,500,990,129.03/x
  3. Step 3: Cross multiply
    69,978,391,398.23x = 96,570,117,732.38 × 39,500,990,129.03
  4. Step 4: Simplify right side
    69,978,391,398.23x = 3,814,615,267,305,327,165,440
  5. Step 5: Solve for x
    x = 3,814,615,267,305,327,165,440/69,978,391,398.23
  6. Step 6: Final answer
    x = 54,511,331,156.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.