Home / 54,659,905.06-75,431,170.89-31,138,093.19

Finding the Fourth Proportional to 54,659,905.06, 75,431,170.89 and 31,138,093.19

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Solution

The fourth proportional to 54,659,905.06, 75,431,170.89 and 31,138,093.19 is: 42,970,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659,905.06 : 75,431,170.89 = 31,138,093.19 : x
  2. Step 2: Convert to fraction form
    54,659,905.06/75,431,170.89 = 31,138,093.19/x
  3. Step 3: Cross multiply
    54,659,905.06x = 75,431,170.89 × 31,138,093.19
  4. Step 4: Simplify right side
    54,659,905.06x = 2,348,782,828,226,479.50
  5. Step 5: Solve for x
    x = 2,348,782,828,226,479.50/54,659,905.06
  6. Step 6: Final answer
    x = 42,970,854.51

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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.