Home / 85,015,965.60-127,539,694.80-27,510,112.80

Finding the Fourth Proportional to 85,015,965.60, 127,539,694.80 and 27,510,112.80

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Solution

The fourth proportional to 85,015,965.60, 127,539,694.80 and 27,510,112.80 is: 41,270,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,015,965.60 : 127,539,694.80 = 27,510,112.80 : x
  2. Step 2: Convert to fraction form
    85,015,965.60/127,539,694.80 = 27,510,112.80/x
  3. Step 3: Cross multiply
    85,015,965.60x = 127,539,694.80 × 27,510,112.80
  4. Step 4: Simplify right side
    85,015,965.60x = 3,508,631,390,425,573.50
  5. Step 5: Solve for x
    x = 3,508,631,390,425,573.50/85,015,965.60
  6. Step 6: Final answer
    x = 41,270,264.54

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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.