Home / 209,952,537.20-314,928,805.80-119,253,273.20

Finding the Fourth Proportional to 209,952,537.20, 314,928,805.80 and 119,253,273.20

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Solution

The fourth proportional to 209,952,537.20, 314,928,805.80 and 119,253,273.20 is: 178,879,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,537.20 : 314,928,805.80 = 119,253,273.20 : x
  2. Step 2: Convert to fraction form
    209,952,537.20/314,928,805.80 = 119,253,273.20/x
  3. Step 3: Cross multiply
    209,952,537.20x = 314,928,805.80 × 119,253,273.20
  4. Step 4: Simplify right side
    209,952,537.20x = 37,556,290,916,617,144
  5. Step 5: Solve for x
    x = 37,556,290,916,617,144/209,952,537.20
  6. Step 6: Final answer
    x = 178,879,909.80

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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.