Home / 301,247,128.80-451,658,116.80-137,563,300.80

Finding the Fourth Proportional to 301,247,128.80, 451,658,116.80 and 137,563,300.80

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Solution

The fourth proportional to 301,247,128.80, 451,658,116.80 and 137,563,300.80 is: 206,247,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,247,128.80 : 451,658,116.80 = 137,563,300.80 : x
  2. Step 2: Convert to fraction form
    301,247,128.80/451,658,116.80 = 137,563,300.80/x
  3. Step 3: Cross multiply
    301,247,128.80x = 451,658,116.80 × 137,563,300.80
  4. Step 4: Simplify right side
    301,247,128.80x = 62,131,581,380,119,944
  5. Step 5: Solve for x
    x = 62,131,581,380,119,944/301,247,128.80
  6. Step 6: Final answer
    x = 206,247,879.03

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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.