Home / 191,656,723.96-264,704,447.86-128,823,735.73

Finding the Fourth Proportional to 191,656,723.96, 264,704,447.86 and 128,823,735.73

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Solution

The fourth proportional to 191,656,723.96, 264,704,447.86 and 128,823,735.73 is: 177,923,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,656,723.96 : 264,704,447.86 = 128,823,735.73 : x
  2. Step 2: Convert to fraction form
    191,656,723.96/264,704,447.86 = 128,823,735.73/x
  3. Step 3: Cross multiply
    191,656,723.96x = 264,704,447.86 × 128,823,735.73
  4. Step 4: Simplify right side
    191,656,723.96x = 34,100,215,836,688,384
  5. Step 5: Solve for x
    x = 34,100,215,836,688,384/191,656,723.96
  6. Step 6: Final answer
    x = 177,923,399.36

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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.