Home / 216,516,941.61-324,759,092.54-68,958,549.87

Finding the Fourth Proportional to 216,516,941.61, 324,759,092.54 and 68,958,549.87

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Solution

The fourth proportional to 216,516,941.61, 324,759,092.54 and 68,958,549.87 is: 103,432,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,516,941.61 : 324,759,092.54 = 68,958,549.87 : x
  2. Step 2: Convert to fraction form
    216,516,941.61/324,759,092.54 = 68,958,549.87/x
  3. Step 3: Cross multiply
    216,516,941.61x = 324,759,092.54 × 68,958,549.87
  4. Step 4: Simplify right side
    216,516,941.61x = 22,394,916,078,310,744
  5. Step 5: Solve for x
    x = 22,394,916,078,310,744/216,516,941.61
  6. Step 6: Final answer
    x = 103,432,627.08

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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.