Home / 281,242,229.94-421,860,195.63-99,446,892.66

Finding the Fourth Proportional to 281,242,229.94, 421,860,195.63 and 99,446,892.66

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Solution

The fourth proportional to 281,242,229.94, 421,860,195.63 and 99,446,892.66 is: 149,169,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,242,229.94 : 421,860,195.63 = 99,446,892.66 : x
  2. Step 2: Convert to fraction form
    281,242,229.94/421,860,195.63 = 99,446,892.66/x
  3. Step 3: Cross multiply
    281,242,229.94x = 421,860,195.63 × 99,446,892.66
  4. Step 4: Simplify right side
    281,242,229.94x = 41,952,685,592,343,208
  5. Step 5: Solve for x
    x = 41,952,685,592,343,208/281,242,229.94
  6. Step 6: Final answer
    x = 149,169,225.41

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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.