Home / 52,187,951.18-78,250,914.82-19,842,221.18

Finding the Fourth Proportional to 52,187,951.18, 78,250,914.82 and 19,842,221.18

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Solution

The fourth proportional to 52,187,951.18, 78,250,914.82 and 19,842,221.18 is: 29,751,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187,951.18 : 78,250,914.82 = 19,842,221.18 : x
  2. Step 2: Convert to fraction form
    52,187,951.18/78,250,914.82 = 19,842,221.18/x
  3. Step 3: Cross multiply
    52,187,951.18x = 78,250,914.82 × 19,842,221.18
  4. Step 4: Simplify right side
    52,187,951.18x = 1,552,671,959,395,779.75
  5. Step 5: Solve for x
    x = 1,552,671,959,395,779.75/52,187,951.18
  6. Step 6: Final answer
    x = 29,751,540.81

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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.