Home / 54,874,644.36-75,714,742.89-31,345,659.98

Finding the Fourth Proportional to 54,874,644.36, 75,714,742.89 and 31,345,659.98

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Solution

The fourth proportional to 54,874,644.36, 75,714,742.89 and 31,345,659.98 is: 43,250,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874,644.36 : 75,714,742.89 = 31,345,659.98 : x
  2. Step 2: Convert to fraction form
    54,874,644.36/75,714,742.89 = 31,345,659.98/x
  3. Step 3: Cross multiply
    54,874,644.36x = 75,714,742.89 × 31,345,659.98
  4. Step 4: Simplify right side
    54,874,644.36x = 2,373,328,585,724,489
  5. Step 5: Solve for x
    x = 2,373,328,585,724,489/54,874,644.36
  6. Step 6: Final answer
    x = 43,250,003.96

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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.