Home / 253,957,979.49-381,000,963.60-72,205,157.49

Finding the Fourth Proportional to 253,957,979.49, 381,000,963.60 and 72,205,157.49

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Solution

The fourth proportional to 253,957,979.49, 381,000,963.60 and 72,205,157.49 is: 108,325,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,957,979.49 : 381,000,963.60 = 72,205,157.49 : x
  2. Step 2: Convert to fraction form
    253,957,979.49/381,000,963.60 = 72,205,157.49/x
  3. Step 3: Cross multiply
    253,957,979.49x = 381,000,963.60 × 72,205,157.49
  4. Step 4: Simplify right side
    253,957,979.49x = 27,510,234,580,579,756
  5. Step 5: Solve for x
    x = 27,510,234,580,579,756/253,957,979.49
  6. Step 6: Final answer
    x = 108,325,931.07

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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.