Home / 85,124,132.40-127,702,787.40-33,997,450.80

Finding the Fourth Proportional to 85,124,132.40, 127,702,787.40 and 33,997,450.80

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Solution

The fourth proportional to 85,124,132.40, 127,702,787.40 and 33,997,450.80 is: 51,002,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,124,132.40 : 127,702,787.40 = 33,997,450.80 : x
  2. Step 2: Convert to fraction form
    85,124,132.40/127,702,787.40 = 33,997,450.80/x
  3. Step 3: Cross multiply
    85,124,132.40x = 127,702,787.40 × 33,997,450.80
  4. Step 4: Simplify right side
    85,124,132.40x = 4,341,569,231,654,359.50
  5. Step 5: Solve for x
    x = 4,341,569,231,654,359.50/85,124,132.40
  6. Step 6: Final answer
    x = 51,002,801.55

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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.