Home / 55,323,134.40-82,959,818.40-21,233,150.40

Finding the Fourth Proportional to 55,323,134.40, 82,959,818.40 and 21,233,150.40

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Solution

The fourth proportional to 55,323,134.40, 82,959,818.40 and 21,233,150.40 is: 31,840,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,323,134.40 : 82,959,818.40 = 21,233,150.40 : x
  2. Step 2: Convert to fraction form
    55,323,134.40/82,959,818.40 = 21,233,150.40/x
  3. Step 3: Cross multiply
    55,323,134.40x = 82,959,818.40 × 21,233,150.40
  4. Step 4: Simplify right side
    55,323,134.40x = 1,761,498,301,243,887.25
  5. Step 5: Solve for x
    x = 1,761,498,301,243,887.25/55,323,134.40
  6. Step 6: Final answer
    x = 31,840,175.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.