Home / 132,860,499.70-199,290,749.55-84,552,512.80

Finding the Fourth Proportional to 132,860,499.70, 199,290,749.55 and 84,552,512.80

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Solution

The fourth proportional to 132,860,499.70, 199,290,749.55 and 84,552,512.80 is: 126,828,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,499.70 : 199,290,749.55 = 84,552,512.80 : x
  2. Step 2: Convert to fraction form
    132,860,499.70/199,290,749.55 = 84,552,512.80/x
  3. Step 3: Cross multiply
    132,860,499.70x = 199,290,749.55 × 84,552,512.80
  4. Step 4: Simplify right side
    132,860,499.70x = 16,850,533,652,247,970
  5. Step 5: Solve for x
    x = 16,850,533,652,247,970/132,860,499.70
  6. Step 6: Final answer
    x = 126,828,769.20

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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.