Home / 255,060,311.20-382,590,466.80-82,554,562.60

Finding the Fourth Proportional to 255,060,311.20, 382,590,466.80 and 82,554,562.60

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Solution

The fourth proportional to 255,060,311.20, 382,590,466.80 and 82,554,562.60 is: 123,831,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,060,311.20 : 382,590,466.80 = 82,554,562.60 : x
  2. Step 2: Convert to fraction form
    255,060,311.20/382,590,466.80 = 82,554,562.60/x
  3. Step 3: Cross multiply
    255,060,311.20x = 382,590,466.80 × 82,554,562.60
  4. Step 4: Simplify right side
    255,060,311.20x = 31,584,588,641,603,820
  5. Step 5: Solve for x
    x = 31,584,588,641,603,820/255,060,311.20
  6. Step 6: Final answer
    x = 123,831,843.90

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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.