Home / 196,708,478.37-271,481,503.95-111,956,203.54

Finding the Fourth Proportional to 196,708,478.37, 271,481,503.95 and 111,956,203.54

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Solution

The fourth proportional to 196,708,478.37, 271,481,503.95 and 111,956,203.54 is: 154,513,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,708,478.37 : 271,481,503.95 = 111,956,203.54 : x
  2. Step 2: Convert to fraction form
    196,708,478.37/271,481,503.95 = 111,956,203.54/x
  3. Step 3: Cross multiply
    196,708,478.37x = 271,481,503.95 × 111,956,203.54
  4. Step 4: Simplify right side
    196,708,478.37x = 30,394,038,513,571,516
  5. Step 5: Solve for x
    x = 30,394,038,513,571,516/196,708,478.37
  6. Step 6: Final answer
    x = 154,513,108.77

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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.