Home / 85,242,833.60-127,675,293.60-51,230,609.60

Finding the Fourth Proportional to 85,242,833.60, 127,675,293.60 and 51,230,609.60

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Solution

The fourth proportional to 85,242,833.60, 127,675,293.60 and 51,230,609.60 is: 76,732,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242,833.60 : 127,675,293.60 = 51,230,609.60 : x
  2. Step 2: Convert to fraction form
    85,242,833.60/127,675,293.60 = 51,230,609.60/x
  3. Step 3: Cross multiply
    85,242,833.60x = 127,675,293.60 × 51,230,609.60
  4. Step 4: Simplify right side
    85,242,833.60x = 6,540,883,121,986,978
  5. Step 5: Solve for x
    x = 6,540,883,121,986,978/85,242,833.60
  6. Step 6: Final answer
    x = 76,732,352.10

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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.