Home / 56,218,532,003.80-84,324,828,027.66-18,440,131,036.84

Finding the Fourth Proportional to 56,218,532,003.80, 84,324,828,027.66 and 18,440,131,036.84

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Solution

The fourth proportional to 56,218,532,003.80, 84,324,828,027.66 and 18,440,131,036.84 is: 27,659,222,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218,532,003.80 : 84,324,828,027.66 = 18,440,131,036.84 : x
  2. Step 2: Convert to fraction form
    56,218,532,003.80/84,324,828,027.66 = 18,440,131,036.84/x
  3. Step 3: Cross multiply
    56,218,532,003.80x = 84,324,828,027.66 × 18,440,131,036.84
  4. Step 4: Simplify right side
    56,218,532,003.80x = 1,554,960,878,489,048,711,168
  5. Step 5: Solve for x
    x = 1,554,960,878,489,048,711,168/56,218,532,003.80
  6. Step 6: Final answer
    x = 27,659,222,378.56

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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.