Home / 285,985,292.52-394,648,082.76-162,223,312.44

Finding the Fourth Proportional to 285,985,292.52, 394,648,082.76 and 162,223,312.44

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Solution

The fourth proportional to 285,985,292.52, 394,648,082.76 and 162,223,312.44 is: 223,861,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,985,292.52 : 394,648,082.76 = 162,223,312.44 : x
  2. Step 2: Convert to fraction form
    285,985,292.52/394,648,082.76 = 162,223,312.44/x
  3. Step 3: Cross multiply
    285,985,292.52x = 394,648,082.76 × 162,223,312.44
  4. Step 4: Simplify right side
    285,985,292.52x = 64,021,119,233,422,456
  5. Step 5: Solve for x
    x = 64,021,119,233,422,456/285,985,292.52
  6. Step 6: Final answer
    x = 223,861,579.28

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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.