Home / 86,261,505,157.07-129,406,161,597.82-26,570,139,659.63

Finding the Fourth Proportional to 86,261,505,157.07, 129,406,161,597.82 and 26,570,139,659.63

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Solution

The fourth proportional to 86,261,505,157.07, 129,406,161,597.82 and 26,570,139,659.63 is: 39,859,492,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261,505,157.07 : 129,406,161,597.82 = 26,570,139,659.63 : x
  2. Step 2: Convert to fraction form
    86,261,505,157.07/129,406,161,597.82 = 26,570,139,659.63/x
  3. Step 3: Cross multiply
    86,261,505,157.07x = 129,406,161,597.82 × 26,570,139,659.63
  4. Step 4: Simplify right side
    86,261,505,157.07x = 3,438,339,786,470,726,303,744
  5. Step 5: Solve for x
    x = 3,438,339,786,470,726,303,744/86,261,505,157.07
  6. Step 6: Final answer
    x = 39,859,492,136.27

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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.