Home / 112,628,331,589.65-155,440,422,181.39-66,902,787,657.03

Finding the Fourth Proportional to 112,628,331,589.65, 155,440,422,181.39 and 66,902,787,657.03

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Solution

The fourth proportional to 112,628,331,589.65, 155,440,422,181.39 and 66,902,787,657.03 is: 92,333,761,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,628,331,589.65 : 155,440,422,181.39 = 66,902,787,657.03 : x
  2. Step 2: Convert to fraction form
    112,628,331,589.65/155,440,422,181.39 = 66,902,787,657.03/x
  3. Step 3: Cross multiply
    112,628,331,589.65x = 155,440,422,181.39 × 66,902,787,657.03
  4. Step 4: Simplify right side
    112,628,331,589.65x = 10,399,397,558,520,631,001,088
  5. Step 5: Solve for x
    x = 10,399,397,558,520,631,001,088/112,628,331,589.65
  6. Step 6: Final answer
    x = 92,333,761,956.18

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1.5x scale

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.