Home / 135,341,861.53-186,766,936.29-76,603,265.47

Finding the Fourth Proportional to 135,341,861.53, 186,766,936.29 and 76,603,265.47

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Solution

The fourth proportional to 135,341,861.53, 186,766,936.29 and 76,603,265.47 is: 105,709,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,341,861.53 : 186,766,936.29 = 76,603,265.47 : x
  2. Step 2: Convert to fraction form
    135,341,861.53/186,766,936.29 = 76,603,265.47/x
  3. Step 3: Cross multiply
    135,341,861.53x = 186,766,936.29 × 76,603,265.47
  4. Step 4: Simplify right side
    135,341,861.53x = 14,306,957,201,641,446
  5. Step 5: Solve for x
    x = 14,306,957,201,641,446/135,341,861.53
  6. Step 6: Final answer
    x = 105,709,771.09

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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.