Home / 91,214,057.68-125,873,843.85-49,397,783.20

Finding the Fourth Proportional to 91,214,057.68, 125,873,843.85 and 49,397,783.20

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Solution

The fourth proportional to 91,214,057.68, 125,873,843.85 and 49,397,783.20 is: 68,168,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,057.68 : 125,873,843.85 = 49,397,783.20 : x
  2. Step 2: Convert to fraction form
    91,214,057.68/125,873,843.85 = 49,397,783.20/x
  3. Step 3: Cross multiply
    91,214,057.68x = 125,873,843.85 × 49,397,783.20
  4. Step 4: Simplify right side
    91,214,057.68x = 6,217,888,848,953,544
  5. Step 5: Solve for x
    x = 6,217,888,848,953,544/91,214,057.68
  6. Step 6: Final answer
    x = 68,168,098.29

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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.