Home / 78,294,285.62-117,456,552.51-29,768,366.29

Finding the Fourth Proportional to 78,294,285.62, 117,456,552.51 and 29,768,366.29

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Solution

The fourth proportional to 78,294,285.62, 117,456,552.51 and 29,768,366.29 is: 44,658,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,294,285.62 : 117,456,552.51 = 29,768,366.29 : x
  2. Step 2: Convert to fraction form
    78,294,285.62/117,456,552.51 = 29,768,366.29/x
  3. Step 3: Cross multiply
    78,294,285.62x = 117,456,552.51 × 29,768,366.29
  4. Step 4: Simplify right side
    78,294,285.62x = 3,496,489,678,278,299
  5. Step 5: Solve for x
    x = 3,496,489,678,278,299/78,294,285.62
  6. Step 6: Final answer
    x = 44,658,299.78

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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.