Home / 60,684,877.60-91,040,423.60-18,138,906.40

Finding the Fourth Proportional to 60,684,877.60, 91,040,423.60 and 18,138,906.40

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Solution

The fourth proportional to 60,684,877.60, 91,040,423.60 and 18,138,906.40 is: 27,212,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,684,877.60 : 91,040,423.60 = 18,138,906.40 : x
  2. Step 2: Convert to fraction form
    60,684,877.60/91,040,423.60 = 18,138,906.40/x
  3. Step 3: Cross multiply
    60,684,877.60x = 91,040,423.60 × 18,138,906.40
  4. Step 4: Simplify right side
    60,684,877.60x = 1,651,373,722,296,750.75
  5. Step 5: Solve for x
    x = 1,651,373,722,296,750.75/60,684,877.60
  6. Step 6: Final answer
    x = 27,212,277.38

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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.