Home / 54,955,998.40-82,433,997.60-19,057,835.20

Finding the Fourth Proportional to 54,955,998.40, 82,433,997.60 and 19,057,835.20

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Solution

The fourth proportional to 54,955,998.40, 82,433,997.60 and 19,057,835.20 is: 28,586,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955,998.40 : 82,433,997.60 = 19,057,835.20 : x
  2. Step 2: Convert to fraction form
    54,955,998.40/82,433,997.60 = 19,057,835.20/x
  3. Step 3: Cross multiply
    54,955,998.40x = 82,433,997.60 × 19,057,835.20
  4. Step 4: Simplify right side
    54,955,998.40x = 1,571,013,541,137,995.25
  5. Step 5: Solve for x
    x = 1,571,013,541,137,995.25/54,955,998.40
  6. Step 6: Final answer
    x = 28,586,752.80

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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.