Home / 85,292,086.44-127,938,025.92-27,784,263.72

Finding the Fourth Proportional to 85,292,086.44, 127,938,025.92 and 27,784,263.72

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Solution

The fourth proportional to 85,292,086.44, 127,938,025.92 and 27,784,263.72 is: 41,676,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292,086.44 : 127,938,025.92 = 27,784,263.72 : x
  2. Step 2: Convert to fraction form
    85,292,086.44/127,938,025.92 = 27,784,263.72/x
  3. Step 3: Cross multiply
    85,292,086.44x = 127,938,025.92 × 27,784,263.72
  4. Step 4: Simplify right side
    85,292,086.44x = 3,554,663,851,977,475.50
  5. Step 5: Solve for x
    x = 3,554,663,851,977,475.50/85,292,086.44
  6. Step 6: Final answer
    x = 41,676,361.79

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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.