Home / 55,313,134.20-82,969,701.30-52,478,782.20

Finding the Fourth Proportional to 55,313,134.20, 82,969,701.30 and 52,478,782.20

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Solution

The fourth proportional to 55,313,134.20, 82,969,701.30 and 52,478,782.20 is: 78,718,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313,134.20 : 82,969,701.30 = 52,478,782.20 : x
  2. Step 2: Convert to fraction form
    55,313,134.20/82,969,701.30 = 52,478,782.20/x
  3. Step 3: Cross multiply
    55,313,134.20x = 82,969,701.30 × 52,478,782.20
  4. Step 4: Simplify right side
    55,313,134.20x = 4,354,148,883,721,757
  5. Step 5: Solve for x
    x = 4,354,148,883,721,757/55,313,134.20
  6. Step 6: Final answer
    x = 78,718,173.30

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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.