Home / 85,177,717.40-127,766,576.10-51,081,512.60

Finding the Fourth Proportional to 85,177,717.40, 127,766,576.10 and 51,081,512.60

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Solution

The fourth proportional to 85,177,717.40, 127,766,576.10 and 51,081,512.60 is: 76,622,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,717.40 : 127,766,576.10 = 51,081,512.60 : x
  2. Step 2: Convert to fraction form
    85,177,717.40/127,766,576.10 = 51,081,512.60/x
  3. Step 3: Cross multiply
    85,177,717.40x = 127,766,576.10 × 51,081,512.60
  4. Step 4: Simplify right side
    85,177,717.40x = 6,526,509,966,911,009
  5. Step 5: Solve for x
    x = 6,526,509,966,911,009/85,177,717.40
  6. Step 6: Final answer
    x = 76,622,268.90

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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.