Home / 197,218,063.92-272,248,103.52-117,861,130.56

Finding the Fourth Proportional to 197,218,063.92, 272,248,103.52 and 117,861,130.56

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Solution

The fourth proportional to 197,218,063.92, 272,248,103.52 and 117,861,130.56 is: 162,700,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,218,063.92 : 272,248,103.52 = 117,861,130.56 : x
  2. Step 2: Convert to fraction form
    197,218,063.92/272,248,103.52 = 117,861,130.56/x
  3. Step 3: Cross multiply
    197,218,063.92x = 272,248,103.52 × 117,861,130.56
  4. Step 4: Simplify right side
    197,218,063.92x = 32,087,469,273,683,112
  5. Step 5: Solve for x
    x = 32,087,469,273,683,112/197,218,063.92
  6. Step 6: Final answer
    x = 162,700,457.74

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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.