Home / 209,664,403.80-314,496,605.70-172,676,110.20

Finding the Fourth Proportional to 209,664,403.80, 314,496,605.70 and 172,676,110.20

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Solution

The fourth proportional to 209,664,403.80, 314,496,605.70 and 172,676,110.20 is: 259,014,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,664,403.80 : 314,496,605.70 = 172,676,110.20 : x
  2. Step 2: Convert to fraction form
    209,664,403.80/314,496,605.70 = 172,676,110.20/x
  3. Step 3: Cross multiply
    209,664,403.80x = 314,496,605.70 × 172,676,110.20
  4. Step 4: Simplify right side
    209,664,403.80x = 54,306,050,543,379,144
  5. Step 5: Solve for x
    x = 54,306,050,543,379,144/209,664,403.80
  6. Step 6: Final answer
    x = 259,014,165.30

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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.