Home / 209,969,346.80-314,954,020.20-179,358,345.20

Finding the Fourth Proportional to 209,969,346.80, 314,954,020.20 and 179,358,345.20

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Solution

The fourth proportional to 209,969,346.80, 314,954,020.20 and 179,358,345.20 is: 269,037,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,969,346.80 : 314,954,020.20 = 179,358,345.20 : x
  2. Step 2: Convert to fraction form
    209,969,346.80/314,954,020.20 = 179,358,345.20/x
  3. Step 3: Cross multiply
    209,969,346.80x = 314,954,020.20 × 179,358,345.20
  4. Step 4: Simplify right side
    209,969,346.80x = 56,489,631,877,159,368
  5. Step 5: Solve for x
    x = 56,489,631,877,159,368/209,969,346.80
  6. Step 6: Final answer
    x = 269,037,517.80

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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.