Home / 54,768,120.64-75,582,042.60-31,250,486.20

Finding the Fourth Proportional to 54,768,120.64, 75,582,042.60 and 31,250,486.20

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Solution

The fourth proportional to 54,768,120.64, 75,582,042.60 and 31,250,486.20 is: 43,126,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768,120.64 : 75,582,042.60 = 31,250,486.20 : x
  2. Step 2: Convert to fraction form
    54,768,120.64/75,582,042.60 = 31,250,486.20/x
  3. Step 3: Cross multiply
    54,768,120.64x = 75,582,042.60 × 31,250,486.20
  4. Step 4: Simplify right side
    54,768,120.64x = 2,361,975,579,239,112
  5. Step 5: Solve for x
    x = 2,361,975,579,239,112/54,768,120.64
  6. Step 6: Final answer
    x = 43,126,832.76

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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.