Home / 218,422,676.87-327,635,240.09-72,855,838.64

Finding the Fourth Proportional to 218,422,676.87, 327,635,240.09 and 72,855,838.64

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Solution

The fourth proportional to 218,422,676.87, 327,635,240.09 and 72,855,838.64 is: 109,284,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,676.87 : 327,635,240.09 = 72,855,838.64 : x
  2. Step 2: Convert to fraction form
    218,422,676.87/327,635,240.09 = 72,855,838.64/x
  3. Step 3: Cross multiply
    218,422,676.87x = 327,635,240.09 × 72,855,838.64
  4. Step 4: Simplify right side
    218,422,676.87x = 23,870,140,184,547,292
  5. Step 5: Solve for x
    x = 23,870,140,184,547,292/218,422,676.87
  6. Step 6: Final answer
    x = 109,284,166.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.