Home / 255,429,088-383,146,949.76-85,228,000

Finding the Fourth Proportional to 255,429,088, 383,146,949.76 and 85,228,000

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Solution

The fourth proportional to 255,429,088, 383,146,949.76 and 85,228,000 is: 127,843,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,429,088 : 383,146,949.76 = 85,228,000 : x
  2. Step 2: Convert to fraction form
    255,429,088/383,146,949.76 = 85,228,000/x
  3. Step 3: Cross multiply
    255,429,088x = 383,146,949.76 × 85,228,000
  4. Step 4: Simplify right side
    255,429,088x = 32,654,848,234,145,280
  5. Step 5: Solve for x
    x = 32,654,848,234,145,280/255,429,088
  6. Step 6: Final answer
    x = 127,843,107.02

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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.