Home / 167,543,788,852.72-251,314,027,112.30-76,759,453,971.06

Finding the Fourth Proportional to 167,543,788,852.72, 251,314,027,112.30 and 76,759,453,971.06

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Solution

The fourth proportional to 167,543,788,852.72, 251,314,027,112.30 and 76,759,453,971.06 is: 115,138,422,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,543,788,852.72 : 251,314,027,112.30 = 76,759,453,971.06 : x
  2. Step 2: Convert to fraction form
    167,543,788,852.72/251,314,027,112.30 = 76,759,453,971.06/x
  3. Step 3: Cross multiply
    167,543,788,852.72x = 251,314,027,112.30 × 76,759,453,971.06
  4. Step 4: Simplify right side
    167,543,788,852.72x = 19,290,727,496,408,316,772,352
  5. Step 5: Solve for x
    x = 19,290,727,496,408,316,772,352/167,543,788,852.72
  6. Step 6: Final answer
    x = 115,138,422,191.02

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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.