Home / 167,543,788,860.43-251,314,027,123.86-76,759,453,978.72

Finding the Fourth Proportional to 167,543,788,860.43, 251,314,027,123.86 and 76,759,453,978.72

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Solution

The fourth proportional to 167,543,788,860.43, 251,314,027,123.86 and 76,759,453,978.72 is: 115,138,422,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,543,788,860.43 : 251,314,027,123.86 = 76,759,453,978.72 : x
  2. Step 2: Convert to fraction form
    167,543,788,860.43/251,314,027,123.86 = 76,759,453,978.72/x
  3. Step 3: Cross multiply
    167,543,788,860.43x = 251,314,027,123.86 × 76,759,453,978.72
  4. Step 4: Simplify right side
    167,543,788,860.43x = 19,290,727,499,220,719,239,168
  5. Step 5: Solve for x
    x = 19,290,727,499,220,719,239,168/167,543,788,860.43
  6. Step 6: Final answer
    x = 115,138,422,202.51

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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.