Home / 66,728,014.40-100,092,021.60-21,294,401.60

Finding the Fourth Proportional to 66,728,014.40, 100,092,021.60 and 21,294,401.60

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Solution

The fourth proportional to 66,728,014.40, 100,092,021.60 and 21,294,401.60 is: 31,941,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,728,014.40 : 100,092,021.60 = 21,294,401.60 : x
  2. Step 2: Convert to fraction form
    66,728,014.40/100,092,021.60 = 21,294,401.60/x
  3. Step 3: Cross multiply
    66,728,014.40x = 100,092,021.60 × 21,294,401.60
  4. Step 4: Simplify right side
    66,728,014.40x = 2,131,399,704,906,274.50
  5. Step 5: Solve for x
    x = 2,131,399,704,906,274.50/66,728,014.40
  6. Step 6: Final answer
    x = 31,941,602.40

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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.