Home / 363,510,825.68-545,529,313.56-142,214,859.92

Finding the Fourth Proportional to 363,510,825.68, 545,529,313.56 and 142,214,859.92

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Solution

The fourth proportional to 363,510,825.68, 545,529,313.56 and 142,214,859.92 is: 213,425,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,510,825.68 : 545,529,313.56 = 142,214,859.92 : x
  2. Step 2: Convert to fraction form
    363,510,825.68/545,529,313.56 = 142,214,859.92/x
  3. Step 3: Cross multiply
    363,510,825.68x = 545,529,313.56 × 142,214,859.92
  4. Step 4: Simplify right side
    363,510,825.68x = 77,582,374,910,189,136
  5. Step 5: Solve for x
    x = 77,582,374,910,189,136/363,510,825.68
  6. Step 6: Final answer
    x = 213,425,211.66

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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.