Home / 85,056,010.40-127,584,015.60-73,112,074.40

Finding the Fourth Proportional to 85,056,010.40, 127,584,015.60 and 73,112,074.40

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Solution

The fourth proportional to 85,056,010.40, 127,584,015.60 and 73,112,074.40 is: 109,668,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,056,010.40 : 127,584,015.60 = 73,112,074.40 : x
  2. Step 2: Convert to fraction form
    85,056,010.40/127,584,015.60 = 73,112,074.40/x
  3. Step 3: Cross multiply
    85,056,010.40x = 127,584,015.60 × 73,112,074.40
  4. Step 4: Simplify right side
    85,056,010.40x = 9,327,932,040,797,960
  5. Step 5: Solve for x
    x = 9,327,932,040,797,960/85,056,010.40
  6. Step 6: Final answer
    x = 109,668,111.60

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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.