Home / 421,946,174.94-632,894,748.57-126,834,922.14

Finding the Fourth Proportional to 421,946,174.94, 632,894,748.57 and 126,834,922.14

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Solution

The fourth proportional to 421,946,174.94, 632,894,748.57 and 126,834,922.14 is: 190,245,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,946,174.94 : 632,894,748.57 = 126,834,922.14 : x
  2. Step 2: Convert to fraction form
    421,946,174.94/632,894,748.57 = 126,834,922.14/x
  3. Step 3: Cross multiply
    421,946,174.94x = 632,894,748.57 × 126,834,922.14
  4. Step 4: Simplify right side
    421,946,174.94x = 80,273,156,157,690,832
  5. Step 5: Solve for x
    x = 80,273,156,157,690,832/421,946,174.94
  6. Step 6: Final answer
    x = 190,245,014.47

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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.