Home / 85,857,724.67-118,472,898.87-58,040,958.20

Finding the Fourth Proportional to 85,857,724.67, 118,472,898.87 and 58,040,958.20

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Solution

The fourth proportional to 85,857,724.67, 118,472,898.87 and 58,040,958.20 is: 80,089,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,857,724.67 : 118,472,898.87 = 58,040,958.20 : x
  2. Step 2: Convert to fraction form
    85,857,724.67/118,472,898.87 = 58,040,958.20/x
  3. Step 3: Cross multiply
    85,857,724.67x = 118,472,898.87 × 58,040,958.20
  4. Step 4: Simplify right side
    85,857,724.67x = 6,876,280,570,554,133
  5. Step 5: Solve for x
    x = 6,876,280,570,554,133/85,857,724.67
  6. Step 6: Final answer
    x = 80,089,247.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.