Home / 78,880,385.55-118,320,578.33-36,413,057.55

Finding the Fourth Proportional to 78,880,385.55, 118,320,578.33 and 36,413,057.55

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Solution

The fourth proportional to 78,880,385.55, 118,320,578.33 and 36,413,057.55 is: 54,619,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,880,385.55 : 118,320,578.33 = 36,413,057.55 : x
  2. Step 2: Convert to fraction form
    78,880,385.55/118,320,578.33 = 36,413,057.55/x
  3. Step 3: Cross multiply
    78,880,385.55x = 118,320,578.33 × 36,413,057.55
  4. Step 4: Simplify right side
    78,880,385.55x = 4,308,414,027,897,507.50
  5. Step 5: Solve for x
    x = 4,308,414,027,897,507.50/78,880,385.55
  6. Step 6: Final answer
    x = 54,619,586.33

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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.