Home / 152,379,245.04-210,279,781.56-89,659,405.32

Finding the Fourth Proportional to 152,379,245.04, 210,279,781.56 and 89,659,405.32

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Solution

The fourth proportional to 152,379,245.04, 210,279,781.56 and 89,659,405.32 is: 123,727,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,379,245.04 : 210,279,781.56 = 89,659,405.32 : x
  2. Step 2: Convert to fraction form
    152,379,245.04/210,279,781.56 = 89,659,405.32/x
  3. Step 3: Cross multiply
    152,379,245.04x = 210,279,781.56 × 89,659,405.32
  4. Step 4: Simplify right side
    152,379,245.04x = 18,853,560,165,489,100
  5. Step 5: Solve for x
    x = 18,853,560,165,489,100/152,379,245.04
  6. Step 6: Final answer
    x = 123,727,874.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.