Home / 248,832,014.20-373,248,021.30-139,544,999.80

Finding the Fourth Proportional to 248,832,014.20, 373,248,021.30 and 139,544,999.80

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Solution

The fourth proportional to 248,832,014.20, 373,248,021.30 and 139,544,999.80 is: 209,317,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832,014.20 : 373,248,021.30 = 139,544,999.80 : x
  2. Step 2: Convert to fraction form
    248,832,014.20/373,248,021.30 = 139,544,999.80/x
  3. Step 3: Cross multiply
    248,832,014.20x = 373,248,021.30 × 139,544,999.80
  4. Step 4: Simplify right side
    248,832,014.20x = 52,084,895,057,658,904
  5. Step 5: Solve for x
    x = 52,084,895,057,658,904/248,832,014.20
  6. Step 6: Final answer
    x = 209,317,499.70

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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.