Home / 275,172,963.30-379,727,303.94-149,725,675.62

Finding the Fourth Proportional to 275,172,963.30, 379,727,303.94 and 149,725,675.62

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Solution

The fourth proportional to 275,172,963.30, 379,727,303.94 and 149,725,675.62 is: 206,615,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,172,963.30 : 379,727,303.94 = 149,725,675.62 : x
  2. Step 2: Convert to fraction form
    275,172,963.30/379,727,303.94 = 149,725,675.62/x
  3. Step 3: Cross multiply
    275,172,963.30x = 379,727,303.94 × 149,725,675.62
  4. Step 4: Simplify right side
    275,172,963.30x = 56,854,927,133,777,592
  5. Step 5: Solve for x
    x = 56,854,927,133,777,592/275,172,963.30
  6. Step 6: Final answer
    x = 206,615,237.38

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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.