Home / 150,045,968.20-225,068,952.30-139,968,272.20

Finding the Fourth Proportional to 150,045,968.20, 225,068,952.30 and 139,968,272.20

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Solution

The fourth proportional to 150,045,968.20, 225,068,952.30 and 139,968,272.20 is: 209,952,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,045,968.20 : 225,068,952.30 = 139,968,272.20 : x
  2. Step 2: Convert to fraction form
    150,045,968.20/225,068,952.30 = 139,968,272.20/x
  3. Step 3: Cross multiply
    150,045,968.20x = 225,068,952.30 × 139,968,272.20
  4. Step 4: Simplify right side
    150,045,968.20x = 31,502,512,379,295,216
  5. Step 5: Solve for x
    x = 31,502,512,379,295,216/150,045,968.20
  6. Step 6: Final answer
    x = 209,952,408.30

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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.