Home / 112,138,412,034.08-154,751,016,171.06-61,389,354,697.65

Finding the Fourth Proportional to 112,138,412,034.08, 154,751,016,171.06 and 61,389,354,697.65

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Solution

The fourth proportional to 112,138,412,034.08, 154,751,016,171.06 and 61,389,354,697.65 is: 84,717,313,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,138,412,034.08 : 154,751,016,171.06 = 61,389,354,697.65 : x
  2. Step 2: Convert to fraction form
    112,138,412,034.08/154,751,016,171.06 = 61,389,354,697.65/x
  3. Step 3: Cross multiply
    112,138,412,034.08x = 154,751,016,171.06 × 61,389,354,697.65
  4. Step 4: Simplify right side
    112,138,412,034.08x = 9,500,065,021,546,972,839,936
  5. Step 5: Solve for x
    x = 9,500,065,021,546,972,839,936/112,138,412,034.08
  6. Step 6: Final answer
    x = 84,717,313,623.63

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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.