Home / 320,810,139.43-442,706,537.68-181,577,911.84

Finding the Fourth Proportional to 320,810,139.43, 442,706,537.68 and 181,577,911.84

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Solution

The fourth proportional to 320,810,139.43, 442,706,537.68 and 181,577,911.84 is: 250,571,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,810,139.43 : 442,706,537.68 = 181,577,911.84 : x
  2. Step 2: Convert to fraction form
    320,810,139.43/442,706,537.68 = 181,577,911.84/x
  3. Step 3: Cross multiply
    320,810,139.43x = 442,706,537.68 × 181,577,911.84
  4. Step 4: Simplify right side
    320,810,139.43x = 80,385,728,668,289,968
  5. Step 5: Solve for x
    x = 80,385,728,668,289,968/320,810,139.43
  6. Step 6: Final answer
    x = 250,571,034.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.