Home / 275,814,235.62-413,781,889.59-81,740,861.64

Finding the Fourth Proportional to 275,814,235.62, 413,781,889.59 and 81,740,861.64

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Solution

The fourth proportional to 275,814,235.62, 413,781,889.59 and 81,740,861.64 is: 122,629,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,814,235.62 : 413,781,889.59 = 81,740,861.64 : x
  2. Step 2: Convert to fraction form
    275,814,235.62/413,781,889.59 = 81,740,861.64/x
  3. Step 3: Cross multiply
    275,814,235.62x = 413,781,889.59 × 81,740,861.64
  4. Step 4: Simplify right side
    275,814,235.62x = 33,822,888,186,113,944
  5. Step 5: Solve for x
    x = 33,822,888,186,113,944/275,814,235.62
  6. Step 6: Final answer
    x = 122,629,233.08

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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.