Home / 85,127,499.60-127,709,911.80-27,609,982.80

Finding the Fourth Proportional to 85,127,499.60, 127,709,911.80 and 27,609,982.80

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Solution

The fourth proportional to 85,127,499.60, 127,709,911.80 and 27,609,982.80 is: 41,421,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127,499.60 : 127,709,911.80 = 27,609,982.80 : x
  2. Step 2: Convert to fraction form
    85,127,499.60/127,709,911.80 = 27,609,982.80/x
  3. Step 3: Cross multiply
    85,127,499.60x = 127,709,911.80 × 27,609,982.80
  4. Step 4: Simplify right side
    85,127,499.60x = 3,526,068,468,187,517
  5. Step 5: Solve for x
    x = 3,526,068,468,187,517/85,127,499.60
  6. Step 6: Final answer
    x = 41,421,027.10

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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.