Home / 86,314,224.84-129,489,999.66-45,918,837.96

Finding the Fourth Proportional to 86,314,224.84, 129,489,999.66 and 45,918,837.96

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Solution

The fourth proportional to 86,314,224.84, 129,489,999.66 and 45,918,837.96 is: 68,888,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,314,224.84 : 129,489,999.66 = 45,918,837.96 : x
  2. Step 2: Convert to fraction form
    86,314,224.84/129,489,999.66 = 45,918,837.96/x
  3. Step 3: Cross multiply
    86,314,224.84x = 129,489,999.66 × 45,918,837.96
  4. Step 4: Simplify right side
    86,314,224.84x = 5,946,030,311,827,995
  5. Step 5: Solve for x
    x = 5,946,030,311,827,995/86,314,224.84
  6. Step 6: Final answer
    x = 68,888,185.27

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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.