Home / 155,080,247,415.51-214,010,750,372.84-83,794,877,439.51

Finding the Fourth Proportional to 155,080,247,415.51, 214,010,750,372.84 and 83,794,877,439.51

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Solution

The fourth proportional to 155,080,247,415.51, 214,010,750,372.84 and 83,794,877,439.51 is: 115,636,935,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,080,247,415.51 : 214,010,750,372.84 = 83,794,877,439.51 : x
  2. Step 2: Convert to fraction form
    155,080,247,415.51/214,010,750,372.84 = 83,794,877,439.51/x
  3. Step 3: Cross multiply
    155,080,247,415.51x = 214,010,750,372.84 × 83,794,877,439.51
  4. Step 4: Simplify right side
    155,080,247,415.51x = 17,933,004,598,229,694,676,992
  5. Step 5: Solve for x
    x = 17,933,004,598,229,694,676,992/155,080,247,415.51
  6. Step 6: Final answer
    x = 115,636,935,696.79

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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.