Home / 85,127,486.60-127,709,892.30-27,609,969.80

Finding the Fourth Proportional to 85,127,486.60, 127,709,892.30 and 27,609,969.80

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Solution

The fourth proportional to 85,127,486.60, 127,709,892.30 and 27,609,969.80 is: 41,421,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127,486.60 : 127,709,892.30 = 27,609,969.80 : x
  2. Step 2: Convert to fraction form
    85,127,486.60/127,709,892.30 = 27,609,969.80/x
  3. Step 3: Cross multiply
    85,127,486.60x = 127,709,892.30 × 27,609,969.80
  4. Step 4: Simplify right side
    85,127,486.60x = 3,526,066,269,564,252.50
  5. Step 5: Solve for x
    x = 3,526,066,269,564,252.50/85,127,486.60
  6. Step 6: Final answer
    x = 41,421,007.60

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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.