Home / 103,562,821.20-155,443,764.60-52,502,494.80

Finding the Fourth Proportional to 103,562,821.20, 155,443,764.60 and 52,502,494.80

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Solution

The fourth proportional to 103,562,821.20, 155,443,764.60 and 52,502,494.80 is: 78,804,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,562,821.20 : 155,443,764.60 = 52,502,494.80 : x
  2. Step 2: Convert to fraction form
    103,562,821.20/155,443,764.60 = 52,502,494.80/x
  3. Step 3: Cross multiply
    103,562,821.20x = 155,443,764.60 × 52,502,494.80
  4. Step 4: Simplify right side
    103,562,821.20x = 8,161,185,442,603,923
  5. Step 5: Solve for x
    x = 8,161,185,442,603,923/103,562,821.20
  6. Step 6: Final answer
    x = 78,804,201.62

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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.