Home / 320,833,835.55-442,737,938.48-181,633,472.55

Finding the Fourth Proportional to 320,833,835.55, 442,737,938.48 and 181,633,472.55

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Solution

The fourth proportional to 320,833,835.55, 442,737,938.48 and 181,633,472.55 is: 250,646,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,833,835.55 : 442,737,938.48 = 181,633,472.55 : x
  2. Step 2: Convert to fraction form
    320,833,835.55/442,737,938.48 = 181,633,472.55/x
  3. Step 3: Cross multiply
    320,833,835.55x = 442,737,938.48 × 181,633,472.55
  4. Step 4: Simplify right side
    320,833,835.55x = 80,416,029,194,842,512
  5. Step 5: Solve for x
    x = 80,416,029,194,842,512/320,833,835.55
  6. Step 6: Final answer
    x = 250,646,971.37

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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.