Home / 135,341,865.52-186,766,941.92-76,603,269.54

Finding the Fourth Proportional to 135,341,865.52, 186,766,941.92 and 76,603,269.54

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Solution

The fourth proportional to 135,341,865.52, 186,766,941.92 and 76,603,269.54 is: 105,709,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,341,865.52 : 186,766,941.92 = 76,603,269.54 : x
  2. Step 2: Convert to fraction form
    135,341,865.52/186,766,941.92 = 76,603,269.54/x
  3. Step 3: Cross multiply
    135,341,865.52x = 186,766,941.92 × 76,603,269.54
  4. Step 4: Simplify right side
    135,341,865.52x = 14,306,958,393,059,286
  5. Step 5: Solve for x
    x = 14,306,958,393,059,286/135,341,865.52
  6. Step 6: Final answer
    x = 105,709,776.78

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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.