Home / 203,665,803.90-305,696,003.34-192,605,188.08

Finding the Fourth Proportional to 203,665,803.90, 305,696,003.34 and 192,605,188.08

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Solution

The fourth proportional to 203,665,803.90, 305,696,003.34 and 192,605,188.08 is: 289,094,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,665,803.90 : 305,696,003.34 = 192,605,188.08 : x
  2. Step 2: Convert to fraction form
    203,665,803.90/305,696,003.34 = 192,605,188.08/x
  3. Step 3: Cross multiply
    203,665,803.90x = 305,696,003.34 × 192,605,188.08
  4. Step 4: Simplify right side
    203,665,803.90x = 58,878,636,218,605,008
  5. Step 5: Solve for x
    x = 58,878,636,218,605,008/203,665,803.90
  6. Step 6: Final answer
    x = 289,094,364.84

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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.