Home / 318,179,759.34-439,037,476.64-178,923,627.84

Finding the Fourth Proportional to 318,179,759.34, 439,037,476.64 and 178,923,627.84

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Solution

The fourth proportional to 318,179,759.34, 439,037,476.64 and 178,923,627.84 is: 246,886,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,179,759.34 : 439,037,476.64 = 178,923,627.84 : x
  2. Step 2: Convert to fraction form
    318,179,759.34/439,037,476.64 = 178,923,627.84/x
  3. Step 3: Cross multiply
    318,179,759.34x = 439,037,476.64 × 178,923,627.84
  4. Step 4: Simplify right side
    318,179,759.34x = 78,554,178,078,148,048
  5. Step 5: Solve for x
    x = 78,554,178,078,148,048/318,179,759.34
  6. Step 6: Final answer
    x = 246,886,157.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.