Home / 213,355,362.80-320,033,044.20-204,397,410.80

Finding the Fourth Proportional to 213,355,362.80, 320,033,044.20 and 204,397,410.80

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Solution

The fourth proportional to 213,355,362.80, 320,033,044.20 and 204,397,410.80 is: 306,596,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,355,362.80 : 320,033,044.20 = 204,397,410.80 : x
  2. Step 2: Convert to fraction form
    213,355,362.80/320,033,044.20 = 204,397,410.80/x
  3. Step 3: Cross multiply
    213,355,362.80x = 320,033,044.20 × 204,397,410.80
  4. Step 4: Simplify right side
    213,355,362.80x = 65,413,925,604,921,960
  5. Step 5: Solve for x
    x = 65,413,925,604,921,960/213,355,362.80
  6. Step 6: Final answer
    x = 306,596,116.20

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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.