Home / 141,858,334.40-212,787,501.60-50,991,108.80

Finding the Fourth Proportional to 141,858,334.40, 212,787,501.60 and 50,991,108.80

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Solution

The fourth proportional to 141,858,334.40, 212,787,501.60 and 50,991,108.80 is: 76,486,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,858,334.40 : 212,787,501.60 = 50,991,108.80 : x
  2. Step 2: Convert to fraction form
    141,858,334.40/212,787,501.60 = 50,991,108.80/x
  3. Step 3: Cross multiply
    141,858,334.40x = 212,787,501.60 × 50,991,108.80
  4. Step 4: Simplify right side
    141,858,334.40x = 10,850,270,645,365,774
  5. Step 5: Solve for x
    x = 10,850,270,645,365,774/141,858,334.40
  6. Step 6: Final answer
    x = 76,486,663.20

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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.