Home / 351,163,456.72-526,757,131.12-166,835,802.88

Finding the Fourth Proportional to 351,163,456.72, 526,757,131.12 and 166,835,802.88

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Solution

The fourth proportional to 351,163,456.72, 526,757,131.12 and 166,835,802.88 is: 250,259,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,163,456.72 : 526,757,131.12 = 166,835,802.88 : x
  2. Step 2: Convert to fraction form
    351,163,456.72/526,757,131.12 = 166,835,802.88/x
  3. Step 3: Cross multiply
    351,163,456.72x = 526,757,131.12 × 166,835,802.88
  4. Step 4: Simplify right side
    351,163,456.72x = 87,881,948,893,170,624
  5. Step 5: Solve for x
    x = 87,881,948,893,170,624/351,163,456.72
  6. Step 6: Final answer
    x = 250,259,379.82

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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.