Home / 52,042,603.20-78,007,917.60-19,682,001.60

Finding the Fourth Proportional to 52,042,603.20, 78,007,917.60 and 19,682,001.60

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Solution

The fourth proportional to 52,042,603.20, 78,007,917.60 and 19,682,001.60 is: 29,501,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042,603.20 : 78,007,917.60 = 19,682,001.60 : x
  2. Step 2: Convert to fraction form
    52,042,603.20/78,007,917.60 = 19,682,001.60/x
  3. Step 3: Cross multiply
    52,042,603.20x = 78,007,917.60 × 19,682,001.60
  4. Step 4: Simplify right side
    52,042,603.20x = 1,535,351,959,015,868.25
  5. Step 5: Solve for x
    x = 1,535,351,959,015,868.25/52,042,603.20
  6. Step 6: Final answer
    x = 29,501,828.59

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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.