Home / 275,286,670.20-412,930,005.30-166,447,553.40

Finding the Fourth Proportional to 275,286,670.20, 412,930,005.30 and 166,447,553.40

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Solution

The fourth proportional to 275,286,670.20, 412,930,005.30 and 166,447,553.40 is: 249,671,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,286,670.20 : 412,930,005.30 = 166,447,553.40 : x
  2. Step 2: Convert to fraction form
    275,286,670.20/412,930,005.30 = 166,447,553.40/x
  3. Step 3: Cross multiply
    275,286,670.20x = 412,930,005.30 × 166,447,553.40
  4. Step 4: Simplify right side
    275,286,670.20x = 68,731,189,107,634,040
  5. Step 5: Solve for x
    x = 68,731,189,107,634,040/275,286,670.20
  6. Step 6: Final answer
    x = 249,671,330.10

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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.