Home / 209,952,819.80-314,929,229.70-166,114,842.20

Finding the Fourth Proportional to 209,952,819.80, 314,929,229.70 and 166,114,842.20

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Solution

The fourth proportional to 209,952,819.80, 314,929,229.70 and 166,114,842.20 is: 249,172,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,819.80 : 314,929,229.70 = 166,114,842.20 : x
  2. Step 2: Convert to fraction form
    209,952,819.80/314,929,229.70 = 166,114,842.20/x
  3. Step 3: Cross multiply
    209,952,819.80x = 314,929,229.70 × 166,114,842.20
  4. Step 4: Simplify right side
    209,952,819.80x = 52,314,419,295,783,048
  5. Step 5: Solve for x
    x = 52,314,419,295,783,048/209,952,819.80
  6. Step 6: Final answer
    x = 249,172,263.30

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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.