Home / 103,468,405.20-155,070,731.70-54,969,493.20

Finding the Fourth Proportional to 103,468,405.20, 155,070,731.70 and 54,969,493.20

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Solution

The fourth proportional to 103,468,405.20, 155,070,731.70 and 54,969,493.20 is: 82,384,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,468,405.20 : 155,070,731.70 = 54,969,493.20 : x
  2. Step 2: Convert to fraction form
    103,468,405.20/155,070,731.70 = 54,969,493.20/x
  3. Step 3: Cross multiply
    103,468,405.20x = 155,070,731.70 × 54,969,493.20
  4. Step 4: Simplify right side
    103,468,405.20x = 8,524,159,531,702,174
  5. Step 5: Solve for x
    x = 8,524,159,531,702,174/103,468,405.20
  6. Step 6: Final answer
    x = 82,384,178.20

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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.