Home / 84,850,792.68-127,365,247.08-75,197,166.96

Finding the Fourth Proportional to 84,850,792.68, 127,365,247.08 and 75,197,166.96

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Solution

The fourth proportional to 84,850,792.68, 127,365,247.08 and 75,197,166.96 is: 112,874,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850,792.68 : 127,365,247.08 = 75,197,166.96 : x
  2. Step 2: Convert to fraction form
    84,850,792.68/127,365,247.08 = 75,197,166.96/x
  3. Step 3: Cross multiply
    84,850,792.68x = 127,365,247.08 × 75,197,166.96
  4. Step 4: Simplify right side
    84,850,792.68x = 9,577,505,749,576,412
  5. Step 5: Solve for x
    x = 9,577,505,749,576,412/84,850,792.68
  6. Step 6: Final answer
    x = 112,874,676.21

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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.