Home / 266,589,822.15-399,922,986.02-82,373,383.53

Finding the Fourth Proportional to 266,589,822.15, 399,922,986.02 and 82,373,383.53

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Solution

The fourth proportional to 266,589,822.15, 399,922,986.02 and 82,373,383.53 is: 123,571,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,589,822.15 : 399,922,986.02 = 82,373,383.53 : x
  2. Step 2: Convert to fraction form
    266,589,822.15/399,922,986.02 = 82,373,383.53/x
  3. Step 3: Cross multiply
    266,589,822.15x = 399,922,986.02 × 82,373,383.53
  4. Step 4: Simplify right side
    266,589,822.15x = 32,943,009,509,476,420
  5. Step 5: Solve for x
    x = 32,943,009,509,476,420/266,589,822.15
  6. Step 6: Final answer
    x = 123,571,895.00

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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.