Home / 188,194,979.89-282,182,860.12-73,045,001.22

Finding the Fourth Proportional to 188,194,979.89, 282,182,860.12 and 73,045,001.22

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Solution

The fourth proportional to 188,194,979.89, 282,182,860.12 and 73,045,001.22 is: 109,524,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,194,979.89 : 282,182,860.12 = 73,045,001.22 : x
  2. Step 2: Convert to fraction form
    188,194,979.89/282,182,860.12 = 73,045,001.22/x
  3. Step 3: Cross multiply
    188,194,979.89x = 282,182,860.12 × 73,045,001.22
  4. Step 4: Simplify right side
    188,194,979.89x = 20,612,047,361,728,488
  5. Step 5: Solve for x
    x = 20,612,047,361,728,488/188,194,979.89
  6. Step 6: Final answer
    x = 109,524,958.50

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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.