Home / 129,861,144-179,214,012-71,914,392

Finding the Fourth Proportional to 129,861,144, 179,214,012 and 71,914,392

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Solution

The fourth proportional to 129,861,144, 179,214,012 and 71,914,392 is: 99,244,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,861,144 : 179,214,012 = 71,914,392 : x
  2. Step 2: Convert to fraction form
    129,861,144/179,214,012 = 71,914,392/x
  3. Step 3: Cross multiply
    129,861,144x = 179,214,012 × 71,914,392
  4. Step 4: Simplify right side
    129,861,144x = 12,888,066,710,860,704
  5. Step 5: Solve for x
    x = 12,888,066,710,860,704/129,861,144
  6. Step 6: Final answer
    x = 99,244,980.55

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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.