Home / 52,985,511.20-79,478,266.80-49,794,240.80

Finding the Fourth Proportional to 52,985,511.20, 79,478,266.80 and 49,794,240.80

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Solution

The fourth proportional to 52,985,511.20, 79,478,266.80 and 49,794,240.80 is: 74,691,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985,511.20 : 79,478,266.80 = 49,794,240.80 : x
  2. Step 2: Convert to fraction form
    52,985,511.20/79,478,266.80 = 49,794,240.80/x
  3. Step 3: Cross multiply
    52,985,511.20x = 79,478,266.80 × 49,794,240.80
  4. Step 4: Simplify right side
    52,985,511.20x = 3,957,559,955,405,845
  5. Step 5: Solve for x
    x = 3,957,559,955,405,845/52,985,511.20
  6. Step 6: Final answer
    x = 74,691,361.20

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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.