Home / 266,086,372.16-399,129,558.29-84,333,550.16

Finding the Fourth Proportional to 266,086,372.16, 399,129,558.29 and 84,333,550.16

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Solution

The fourth proportional to 266,086,372.16, 399,129,558.29 and 84,333,550.16 is: 126,500,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,086,372.16 : 399,129,558.29 = 84,333,550.16 : x
  2. Step 2: Convert to fraction form
    266,086,372.16/399,129,558.29 = 84,333,550.16/x
  3. Step 3: Cross multiply
    266,086,372.16x = 399,129,558.29 × 84,333,550.16
  4. Step 4: Simplify right side
    266,086,372.16x = 33,660,012,624,388,360
  5. Step 5: Solve for x
    x = 33,660,012,624,388,360/266,086,372.16
  6. Step 6: Final answer
    x = 126,500,325.26

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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.