Home / 82,548,273.60-123,680,692.80-53,779,600.80

Finding the Fourth Proportional to 82,548,273.60, 123,680,692.80 and 53,779,600.80

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Solution

The fourth proportional to 82,548,273.60, 123,680,692.80 and 53,779,600.80 is: 80,577,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,548,273.60 : 123,680,692.80 = 53,779,600.80 : x
  2. Step 2: Convert to fraction form
    82,548,273.60/123,680,692.80 = 53,779,600.80/x
  3. Step 3: Cross multiply
    82,548,273.60x = 123,680,692.80 × 53,779,600.80
  4. Step 4: Simplify right side
    82,548,273.60x = 6,651,498,285,451,434
  5. Step 5: Solve for x
    x = 6,651,498,285,451,434/82,548,273.60
  6. Step 6: Final answer
    x = 80,577,073.21

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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.