Home / 63,131,609.36-87,112,280.04-38,338,902.80

Finding the Fourth Proportional to 63,131,609.36, 87,112,280.04 and 38,338,902.80

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Solution

The fourth proportional to 63,131,609.36, 87,112,280.04 and 38,338,902.80 is: 52,902,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,131,609.36 : 87,112,280.04 = 38,338,902.80 : x
  2. Step 2: Convert to fraction form
    63,131,609.36/87,112,280.04 = 38,338,902.80/x
  3. Step 3: Cross multiply
    63,131,609.36x = 87,112,280.04 × 38,338,902.80
  4. Step 4: Simplify right side
    63,131,609.36x = 3,339,789,237,139,940
  5. Step 5: Solve for x
    x = 3,339,789,237,139,940/63,131,609.36
  6. Step 6: Final answer
    x = 52,902,013.29

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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.