Home / 94,121,374.50-129,867,348.60-54,945,370.80

Finding the Fourth Proportional to 94,121,374.50, 129,867,348.60 and 54,945,370.80

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Solution

The fourth proportional to 94,121,374.50, 129,867,348.60 and 54,945,370.80 is: 75,812,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,121,374.50 : 129,867,348.60 = 54,945,370.80 : x
  2. Step 2: Convert to fraction form
    94,121,374.50/129,867,348.60 = 54,945,370.80/x
  3. Step 3: Cross multiply
    94,121,374.50x = 129,867,348.60 × 54,945,370.80
  4. Step 4: Simplify right side
    94,121,374.50x = 7,135,609,623,639,860
  5. Step 5: Solve for x
    x = 7,135,609,623,639,860/94,121,374.50
  6. Step 6: Final answer
    x = 75,812,849.75

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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.