Home / 57,420,021.80-86,177,034.30-56,972,124.20

Finding the Fourth Proportional to 57,420,021.80, 86,177,034.30 and 56,972,124.20

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Solution

The fourth proportional to 57,420,021.80, 86,177,034.30 and 56,972,124.20 is: 85,504,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420,021.80 : 86,177,034.30 = 56,972,124.20 : x
  2. Step 2: Convert to fraction form
    57,420,021.80/86,177,034.30 = 56,972,124.20/x
  3. Step 3: Cross multiply
    57,420,021.80x = 86,177,034.30 × 56,972,124.20
  4. Step 4: Simplify right side
    57,420,021.80x = 4,909,688,701,327,260
  5. Step 5: Solve for x
    x = 4,909,688,701,327,260/57,420,021.80
  6. Step 6: Final answer
    x = 85,504,821.27

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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.