Home / 63,877,825.20-95,830,734.60-20,739,687.60

Finding the Fourth Proportional to 63,877,825.20, 95,830,734.60 and 20,739,687.60

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Solution

The fourth proportional to 63,877,825.20, 95,830,734.60 and 20,739,687.60 is: 31,114,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,877,825.20 : 95,830,734.60 = 20,739,687.60 : x
  2. Step 2: Convert to fraction form
    63,877,825.20/95,830,734.60 = 20,739,687.60/x
  3. Step 3: Cross multiply
    63,877,825.20x = 95,830,734.60 × 20,739,687.60
  4. Step 4: Simplify right side
    63,877,825.20x = 1,987,499,498,082,511
  5. Step 5: Solve for x
    x = 1,987,499,498,082,511/63,877,825.20
  6. Step 6: Final answer
    x = 31,114,075.84

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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.