Home / 321,149,503.80-443,213,416.62-180,018,468

Finding the Fourth Proportional to 321,149,503.80, 443,213,416.62 and 180,018,468

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Solution

The fourth proportional to 321,149,503.80, 443,213,416.62 and 180,018,468 is: 248,440,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,149,503.80 : 443,213,416.62 = 180,018,468 : x
  2. Step 2: Convert to fraction form
    321,149,503.80/443,213,416.62 = 180,018,468/x
  3. Step 3: Cross multiply
    321,149,503.80x = 443,213,416.62 × 180,018,468
  4. Step 4: Simplify right side
    321,149,503.80x = 79,786,600,256,978,144
  5. Step 5: Solve for x
    x = 79,786,600,256,978,144/321,149,503.80
  6. Step 6: Final answer
    x = 248,440,677.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.