Home / 263,426,078.45-394,985,953.06-99,676,484.62

Finding the Fourth Proportional to 263,426,078.45, 394,985,953.06 and 99,676,484.62

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Solution

The fourth proportional to 263,426,078.45, 394,985,953.06 and 99,676,484.62 is: 149,456,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,426,078.45 : 394,985,953.06 = 99,676,484.62 : x
  2. Step 2: Convert to fraction form
    263,426,078.45/394,985,953.06 = 99,676,484.62/x
  3. Step 3: Cross multiply
    263,426,078.45x = 394,985,953.06 × 99,676,484.62
  4. Step 4: Simplify right side
    263,426,078.45x = 39,370,811,275,301,136
  5. Step 5: Solve for x
    x = 39,370,811,275,301,136/263,426,078.45
  6. Step 6: Final answer
    x = 149,456,771.73

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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.