Home / 291,681,999-402,496,825.44-164,515,669.61

Finding the Fourth Proportional to 291,681,999, 402,496,825.44 and 164,515,669.61

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Solution

The fourth proportional to 291,681,999, 402,496,825.44 and 164,515,669.61 is: 227,017,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,681,999 : 402,496,825.44 = 164,515,669.61 : x
  2. Step 2: Convert to fraction form
    291,681,999/402,496,825.44 = 164,515,669.61/x
  3. Step 3: Cross multiply
    291,681,999x = 402,496,825.44 × 164,515,669.61
  4. Step 4: Simplify right side
    291,681,999x = 66,217,034,751,148,392
  5. Step 5: Solve for x
    x = 66,217,034,751,148,392/291,681,999
  6. Step 6: Final answer
    x = 227,017,899.56

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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.