Home / 137,656,245.30-206,515,476.21-45,539,765.82

Finding the Fourth Proportional to 137,656,245.30, 206,515,476.21 and 45,539,765.82

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Solution

The fourth proportional to 137,656,245.30, 206,515,476.21 and 45,539,765.82 is: 68,319,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,656,245.30 : 206,515,476.21 = 45,539,765.82 : x
  2. Step 2: Convert to fraction form
    137,656,245.30/206,515,476.21 = 45,539,765.82/x
  3. Step 3: Cross multiply
    137,656,245.30x = 206,515,476.21 × 45,539,765.82
  4. Step 4: Simplify right side
    137,656,245.30x = 9,404,666,424,809,182
  5. Step 5: Solve for x
    x = 9,404,666,424,809,182/137,656,245.30
  6. Step 6: Final answer
    x = 68,319,940.04

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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.