Home / 132,860,487.70-199,290,731.55-84,552,500.80

Finding the Fourth Proportional to 132,860,487.70, 199,290,731.55 and 84,552,500.80

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Solution

The fourth proportional to 132,860,487.70, 199,290,731.55 and 84,552,500.80 is: 126,828,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,487.70 : 199,290,731.55 = 84,552,500.80 : x
  2. Step 2: Convert to fraction form
    132,860,487.70/199,290,731.55 = 84,552,500.80/x
  3. Step 3: Cross multiply
    132,860,487.70x = 199,290,731.55 × 84,552,500.80
  4. Step 4: Simplify right side
    132,860,487.70x = 16,850,529,738,813,960
  5. Step 5: Solve for x
    x = 16,850,529,738,813,960/132,860,487.70
  6. Step 6: Final answer
    x = 126,828,751.20

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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.