Home / 230,202,007.80-345,303,011.70-200,640,766.20

Finding the Fourth Proportional to 230,202,007.80, 345,303,011.70 and 200,640,766.20

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Solution

The fourth proportional to 230,202,007.80, 345,303,011.70 and 200,640,766.20 is: 300,961,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,202,007.80 : 345,303,011.70 = 200,640,766.20 : x
  2. Step 2: Convert to fraction form
    230,202,007.80/345,303,011.70 = 200,640,766.20/x
  3. Step 3: Cross multiply
    230,202,007.80x = 345,303,011.70 × 200,640,766.20
  4. Step 4: Simplify right side
    230,202,007.80x = 69,281,860,838,655,560
  5. Step 5: Solve for x
    x = 69,281,860,838,655,560/230,202,007.80
  6. Step 6: Final answer
    x = 300,961,149.30

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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.