Home / 78,735,603.20-118,103,404.80-27,599,169.20

Finding the Fourth Proportional to 78,735,603.20, 118,103,404.80 and 27,599,169.20

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Solution

The fourth proportional to 78,735,603.20, 118,103,404.80 and 27,599,169.20 is: 41,398,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,735,603.20 : 118,103,404.80 = 27,599,169.20 : x
  2. Step 2: Convert to fraction form
    78,735,603.20/118,103,404.80 = 27,599,169.20/x
  3. Step 3: Cross multiply
    78,735,603.20x = 118,103,404.80 × 27,599,169.20
  4. Step 4: Simplify right side
    78,735,603.20x = 3,259,555,852,171,292
  5. Step 5: Solve for x
    x = 3,259,555,852,171,292/78,735,603.20
  6. Step 6: Final answer
    x = 41,398,753.80

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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.