Home / 320,762,999.88-442,653,121.10-174,085,283.88

Finding the Fourth Proportional to 320,762,999.88, 442,653,121.10 and 174,085,283.88

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Solution

The fourth proportional to 320,762,999.88, 442,653,121.10 and 174,085,283.88 is: 240,237,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,762,999.88 : 442,653,121.10 = 174,085,283.88 : x
  2. Step 2: Convert to fraction form
    320,762,999.88/442,653,121.10 = 174,085,283.88/x
  3. Step 3: Cross multiply
    320,762,999.88x = 442,653,121.10 × 174,085,283.88
  4. Step 4: Simplify right side
    320,762,999.88x = 77,059,394,247,061,520
  5. Step 5: Solve for x
    x = 77,059,394,247,061,520/320,762,999.88
  6. Step 6: Final answer
    x = 240,237,790.13

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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.