Home / 42,192,339.03-63,604,743.23-39,380,007.69

Finding the Fourth Proportional to 42,192,339.03, 63,604,743.23 and 39,380,007.69

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Solution

The fourth proportional to 42,192,339.03, 63,604,743.23 and 39,380,007.69 is: 59,365,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,192,339.03 : 63,604,743.23 = 39,380,007.69 : x
  2. Step 2: Convert to fraction form
    42,192,339.03/63,604,743.23 = 39,380,007.69/x
  3. Step 3: Cross multiply
    42,192,339.03x = 63,604,743.23 × 39,380,007.69
  4. Step 4: Simplify right side
    42,192,339.03x = 2,504,755,277,616,325.50
  5. Step 5: Solve for x
    x = 2,504,755,277,616,325.50/42,192,339.03
  6. Step 6: Final answer
    x = 59,365,167.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.